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Finding the Fourth Proportional to 73,281,641.40, 109,922,462.10 and 25,412,585.40

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Solution

The fourth proportional to 73,281,641.40, 109,922,462.10 and 25,412,585.40 is: 38,118,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281,641.40 : 109,922,462.10 = 25,412,585.40 : x
  2. Step 2: Convert to fraction form
    73,281,641.40/109,922,462.10 = 25,412,585.40/x
  3. Step 3: Cross multiply
    73,281,641.40x = 109,922,462.10 × 25,412,585.40
  4. Step 4: Simplify right side
    73,281,641.40x = 2,793,413,955,494,513
  5. Step 5: Solve for x
    x = 2,793,413,955,494,513/73,281,641.40
  6. Step 6: Final answer
    x = 38,118,878.10

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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.