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Finding the Fourth Proportional to 161,706.10, 242,098.35 and 157,098.10

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Solution

The fourth proportional to 161,706.10, 242,098.35 and 157,098.10 is: 235,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,706.10 : 242,098.35 = 157,098.10 : x
  2. Step 2: Convert to fraction form
    161,706.10/242,098.35 = 157,098.10/x
  3. Step 3: Cross multiply
    161,706.10x = 242,098.35 × 157,098.10
  4. Step 4: Simplify right side
    161,706.10x = 38,033,190,798.14
  5. Step 5: Solve for x
    x = 38,033,190,798.14/161,706.10
  6. Step 6: Final answer
    x = 235,199.48

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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.