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Finding the Fourth Proportional to 191,375,999.10, 287,063,998.65 and 191,375,999.10

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Solution

The fourth proportional to 191,375,999.10, 287,063,998.65 and 191,375,999.10 is: 287,063,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,375,999.10 : 287,063,998.65 = 191,375,999.10 : x
  2. Step 2: Convert to fraction form
    191,375,999.10/287,063,998.65 = 191,375,999.10/x
  3. Step 3: Cross multiply
    191,375,999.10x = 287,063,998.65 × 191,375,999.10
  4. Step 4: Simplify right side
    191,375,999.10x = 54,937,159,547,284,792
  5. Step 5: Solve for x
    x = 54,937,159,547,284,792/191,375,999.10
  6. Step 6: Final answer
    x = 287,063,998.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.