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Finding the Fourth Proportional to 72,434.70, 108,522.45 and 62,066.70

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Solution

The fourth proportional to 72,434.70, 108,522.45 and 62,066.70 is: 92,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,434.70 : 108,522.45 = 62,066.70 : x
  2. Step 2: Convert to fraction form
    72,434.70/108,522.45 = 62,066.70/x
  3. Step 3: Cross multiply
    72,434.70x = 108,522.45 × 62,066.70
  4. Step 4: Simplify right side
    72,434.70x = 6,735,630,347.42
  5. Step 5: Solve for x
    x = 6,735,630,347.42/72,434.70
  6. Step 6: Final answer
    x = 92,989.00

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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.