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Finding the Fourth Proportional to 292,788,201.88, 439,054,727.82 and 98,663,433.40

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Solution

The fourth proportional to 292,788,201.88, 439,054,727.82 and 98,663,433.40 is: 147,952,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,788,201.88 : 439,054,727.82 = 98,663,433.40 : x
  2. Step 2: Convert to fraction form
    292,788,201.88/439,054,727.82 = 98,663,433.40/x
  3. Step 3: Cross multiply
    292,788,201.88x = 439,054,727.82 × 98,663,433.40
  4. Step 4: Simplify right side
    292,788,201.88x = 43,318,646,897,223,696
  5. Step 5: Solve for x
    x = 43,318,646,897,223,696/292,788,201.88
  6. Step 6: Final answer
    x = 147,952,160.02

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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.