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Finding the Fourth Proportional to 83,347.46, 124,965.48 and 45,925.46

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Solution

The fourth proportional to 83,347.46, 124,965.48 and 45,925.46 is: 68,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.46 : 124,965.48 = 45,925.46 : x
  2. Step 2: Convert to fraction form
    83,347.46/124,965.48 = 45,925.46/x
  3. Step 3: Cross multiply
    83,347.46x = 124,965.48 × 45,925.46
  4. Step 4: Simplify right side
    83,347.46x = 5,739,097,153.12
  5. Step 5: Solve for x
    x = 5,739,097,153.12/83,347.46
  6. Step 6: Final answer
    x = 68,857.49

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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.