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Finding the Fourth Proportional to 77,234.60, 106,585.36 and 43,700.60

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Solution

The fourth proportional to 77,234.60, 106,585.36 and 43,700.60 is: 60,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,234.60 : 106,585.36 = 43,700.60 : x
  2. Step 2: Convert to fraction form
    77,234.60/106,585.36 = 43,700.60/x
  3. Step 3: Cross multiply
    77,234.60x = 106,585.36 × 43,700.60
  4. Step 4: Simplify right side
    77,234.60x = 4,657,843,650.29
  5. Step 5: Solve for x
    x = 4,657,843,650.29/77,234.60
  6. Step 6: Final answer
    x = 60,307.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.