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Finding the Fourth Proportional to 145,416.30, 218,124.45 and 62,472.30

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Solution

The fourth proportional to 145,416.30, 218,124.45 and 62,472.30 is: 93,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,416.30 : 218,124.45 = 62,472.30 : x
  2. Step 2: Convert to fraction form
    145,416.30/218,124.45 = 62,472.30/x
  3. Step 3: Cross multiply
    145,416.30x = 218,124.45 × 62,472.30
  4. Step 4: Simplify right side
    145,416.30x = 13,626,736,077.74
  5. Step 5: Solve for x
    x = 13,626,736,077.74/145,416.30
  6. Step 6: Final answer
    x = 93,708.45

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1.5x scale

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.