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Finding the Fourth Proportional to 82,023,698.10, 123,035,547.15 and 82,023,698.10

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Solution

The fourth proportional to 82,023,698.10, 123,035,547.15 and 82,023,698.10 is: 123,035,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,023,698.10 : 123,035,547.15 = 82,023,698.10 : x
  2. Step 2: Convert to fraction form
    82,023,698.10/123,035,547.15 = 82,023,698.10/x
  3. Step 3: Cross multiply
    82,023,698.10x = 123,035,547.15 × 82,023,698.10
  4. Step 4: Simplify right side
    82,023,698.10x = 10,091,830,574,999,916
  5. Step 5: Solve for x
    x = 10,091,830,574,999,916/82,023,698.10
  6. Step 6: Final answer
    x = 123,035,547.15

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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.