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Finding the Fourth Proportional to 63,090,999.90, 88,454,945.70 and 63,090,999.90

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Solution

The fourth proportional to 63,090,999.90, 88,454,945.70 and 63,090,999.90 is: 88,454,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,090,999.90 : 88,454,945.70 = 63,090,999.90 : x
  2. Step 2: Convert to fraction form
    63,090,999.90/88,454,945.70 = 63,090,999.90/x
  3. Step 3: Cross multiply
    63,090,999.90x = 88,454,945.70 × 63,090,999.90
  4. Step 4: Simplify right side
    63,090,999.90x = 5,580,710,970,313,205
  5. Step 5: Solve for x
    x = 5,580,710,970,313,205/63,090,999.90
  6. Step 6: Final answer
    x = 88,454,945.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.