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Finding the Fourth Proportional to 145,614.53, 218,332.60 and 56,764.24

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Solution

The fourth proportional to 145,614.53, 218,332.60 and 56,764.24 is: 85,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,614.53 : 218,332.60 = 56,764.24 : x
  2. Step 2: Convert to fraction form
    145,614.53/218,332.60 = 56,764.24/x
  3. Step 3: Cross multiply
    145,614.53x = 218,332.60 × 56,764.24
  4. Step 4: Simplify right side
    145,614.53x = 12,393,482,730.74
  5. Step 5: Solve for x
    x = 12,393,482,730.74/145,614.53
  6. Step 6: Final answer
    x = 85,111.58

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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.