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Finding the Fourth Proportional to 42,125,598.90, 59,055,464.70 and 42,125,598.90

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Solution

The fourth proportional to 42,125,598.90, 59,055,464.70 and 42,125,598.90 is: 59,055,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125,598.90 : 59,055,464.70 = 42,125,598.90 : x
  2. Step 2: Convert to fraction form
    42,125,598.90/59,055,464.70 = 42,125,598.90/x
  3. Step 3: Cross multiply
    42,125,598.90x = 59,055,464.70 × 42,125,598.90
  4. Step 4: Simplify right side
    42,125,598.90x = 2,487,746,818,805,309
  5. Step 5: Solve for x
    x = 2,487,746,818,805,309/42,125,598.90
  6. Step 6: Final answer
    x = 59,055,464.70

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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.