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Finding the Fourth Proportional to 83,033.16, 114,585.15 and 47,223.12

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Solution

The fourth proportional to 83,033.16, 114,585.15 and 47,223.12 is: 65,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,033.16 : 114,585.15 = 47,223.12 : x
  2. Step 2: Convert to fraction form
    83,033.16/114,585.15 = 47,223.12/x
  3. Step 3: Cross multiply
    83,033.16x = 114,585.15 × 47,223.12
  4. Step 4: Simplify right side
    83,033.16x = 5,411,068,629.82
  5. Step 5: Solve for x
    x = 5,411,068,629.82/83,033.16
  6. Step 6: Final answer
    x = 65,167.57

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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.