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Finding the Fourth Proportional to 142,754.67, 214,115.45 and 37,581.84

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Solution

The fourth proportional to 142,754.67, 214,115.45 and 37,581.84 is: 56,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,754.67 : 214,115.45 = 37,581.84 : x
  2. Step 2: Convert to fraction form
    142,754.67/214,115.45 = 37,581.84/x
  3. Step 3: Cross multiply
    142,754.67x = 214,115.45 × 37,581.84
  4. Step 4: Simplify right side
    142,754.67x = 8,046,852,395.52
  5. Step 5: Solve for x
    x = 8,046,852,395.52/142,754.67
  6. Step 6: Final answer
    x = 56,368.40

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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.