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Finding the Fourth Proportional to 160,387.05, 240,101.25 and 97,015.39

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Solution

The fourth proportional to 160,387.05, 240,101.25 and 97,015.39 is: 145,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,387.05 : 240,101.25 = 97,015.39 : x
  2. Step 2: Convert to fraction form
    160,387.05/240,101.25 = 97,015.39/x
  3. Step 3: Cross multiply
    160,387.05x = 240,101.25 × 97,015.39
  4. Step 4: Simplify right side
    160,387.05x = 23,293,516,408.24
  5. Step 5: Solve for x
    x = 23,293,516,408.24/160,387.05
  6. Step 6: Final answer
    x = 145,233.15

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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.