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Finding the Fourth Proportional to 160,157.81, 220,998.59 and 88,528.10

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Solution

The fourth proportional to 160,157.81, 220,998.59 and 88,528.10 is: 122,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,157.81 : 220,998.59 = 88,528.10 : x
  2. Step 2: Convert to fraction form
    160,157.81/220,998.59 = 88,528.10/x
  3. Step 3: Cross multiply
    160,157.81x = 220,998.59 × 88,528.10
  4. Step 4: Simplify right side
    160,157.81x = 19,564,584,557.70
  5. Step 5: Solve for x
    x = 19,564,584,557.70/160,157.81
  6. Step 6: Final answer
    x = 122,158.17

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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.