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Finding the Fourth Proportional to 102,853.53, 141,952.97 and 62,559.47

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Solution

The fourth proportional to 102,853.53, 141,952.97 and 62,559.47 is: 86,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,853.53 : 141,952.97 = 62,559.47 : x
  2. Step 2: Convert to fraction form
    102,853.53/141,952.97 = 62,559.47/x
  3. Step 3: Cross multiply
    102,853.53x = 141,952.97 × 62,559.47
  4. Step 4: Simplify right side
    102,853.53x = 8,880,503,079.41
  5. Step 5: Solve for x
    x = 8,880,503,079.41/102,853.53
  6. Step 6: Final answer
    x = 86,341.26

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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.