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Finding the Fourth Proportional to 85,536.68, 118,044.42 and 47,810.92

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Solution

The fourth proportional to 85,536.68, 118,044.42 and 47,810.92 is: 65,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536.68 : 118,044.42 = 47,810.92 : x
  2. Step 2: Convert to fraction form
    85,536.68/118,044.42 = 47,810.92/x
  3. Step 3: Cross multiply
    85,536.68x = 118,044.42 × 47,810.92
  4. Step 4: Simplify right side
    85,536.68x = 5,643,812,321.07
  5. Step 5: Solve for x
    x = 5,643,812,321.07/85,536.68
  6. Step 6: Final answer
    x = 65,981.19

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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.