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Finding the Fourth Proportional to 147,068.56, 220,675.76 and 58,320.12

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Solution

The fourth proportional to 147,068.56, 220,675.76 and 58,320.12 is: 87,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,068.56 : 220,675.76 = 58,320.12 : x
  2. Step 2: Convert to fraction form
    147,068.56/220,675.76 = 58,320.12/x
  3. Step 3: Cross multiply
    147,068.56x = 220,675.76 × 58,320.12
  4. Step 4: Simplify right side
    147,068.56x = 12,869,836,804.29
  5. Step 5: Solve for x
    x = 12,869,836,804.29/147,068.56
  6. Step 6: Final answer
    x = 87,509.10

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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.