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Finding the Fourth Proportional to 160,068.04, 220,939.90 and 105,659.92

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Solution

The fourth proportional to 160,068.04, 220,939.90 and 105,659.92 is: 145,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,068.04 : 220,939.90 = 105,659.92 : x
  2. Step 2: Convert to fraction form
    160,068.04/220,939.90 = 105,659.92/x
  3. Step 3: Cross multiply
    160,068.04x = 220,939.90 × 105,659.92
  4. Step 4: Simplify right side
    160,068.04x = 23,344,492,158.81
  5. Step 5: Solve for x
    x = 23,344,492,158.81/160,068.04
  6. Step 6: Final answer
    x = 145,841.06

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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.