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Finding the Fourth Proportional to 71,065.60, 106,598.40 and 62,310.40

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Solution

The fourth proportional to 71,065.60, 106,598.40 and 62,310.40 is: 93,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,065.60 : 106,598.40 = 62,310.40 : x
  2. Step 2: Convert to fraction form
    71,065.60/106,598.40 = 62,310.40/x
  3. Step 3: Cross multiply
    71,065.60x = 106,598.40 × 62,310.40
  4. Step 4: Simplify right side
    71,065.60x = 6,642,188,943.36
  5. Step 5: Solve for x
    x = 6,642,188,943.36/71,065.60
  6. Step 6: Final answer
    x = 93,465.60

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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.