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Finding the Fourth Proportional to 69,593,439.80, 104,390,159.70 and 59,814,925.40

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Solution

The fourth proportional to 69,593,439.80, 104,390,159.70 and 59,814,925.40 is: 89,722,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,593,439.80 : 104,390,159.70 = 59,814,925.40 : x
  2. Step 2: Convert to fraction form
    69,593,439.80/104,390,159.70 = 59,814,925.40/x
  3. Step 3: Cross multiply
    69,593,439.80x = 104,390,159.70 × 59,814,925.40
  4. Step 4: Simplify right side
    69,593,439.80x = 6,244,089,614,949,586
  5. Step 5: Solve for x
    x = 6,244,089,614,949,586/69,593,439.80
  6. Step 6: Final answer
    x = 89,722,388.10

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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.