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Finding the Fourth Proportional to 60,565,478.40, 90,722,246.40 and 50,487,782.40

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Solution

The fourth proportional to 60,565,478.40, 90,722,246.40 and 50,487,782.40 is: 75,626,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,565,478.40 : 90,722,246.40 = 50,487,782.40 : x
  2. Step 2: Convert to fraction form
    60,565,478.40/90,722,246.40 = 50,487,782.40/x
  3. Step 3: Cross multiply
    60,565,478.40x = 90,722,246.40 × 50,487,782.40
  4. Step 4: Simplify right side
    60,565,478.40x = 4,580,365,035,082,384
  5. Step 5: Solve for x
    x = 4,580,365,035,082,384/60,565,478.40
  6. Step 6: Final answer
    x = 75,626,663.18

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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.