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Finding the Fourth Proportional to 77,349.17, 106,717.88 and 43,352.94

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Solution

The fourth proportional to 77,349.17, 106,717.88 and 43,352.94 is: 59,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,349.17 : 106,717.88 = 43,352.94 : x
  2. Step 2: Convert to fraction form
    77,349.17/106,717.88 = 43,352.94/x
  3. Step 3: Cross multiply
    77,349.17x = 106,717.88 × 43,352.94
  4. Step 4: Simplify right side
    77,349.17x = 4,626,533,631.80
  5. Step 5: Solve for x
    x = 4,626,533,631.80/77,349.17
  6. Step 6: Final answer
    x = 59,813.62

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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.