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Finding the Fourth Proportional to 171,154.60, 256,386.30 and 97,196.20

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Solution

The fourth proportional to 171,154.60, 256,386.30 and 97,196.20 is: 145,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,154.60 : 256,386.30 = 97,196.20 : x
  2. Step 2: Convert to fraction form
    171,154.60/256,386.30 = 97,196.20/x
  3. Step 3: Cross multiply
    171,154.60x = 256,386.30 × 97,196.20
  4. Step 4: Simplify right side
    171,154.60x = 24,919,774,092.06
  5. Step 5: Solve for x
    x = 24,919,774,092.06/171,154.60
  6. Step 6: Final answer
    x = 145,598.04

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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.