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Finding the Fourth Proportional to 156,745.20, 235,117.80 and 97,550.40

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Solution

The fourth proportional to 156,745.20, 235,117.80 and 97,550.40 is: 146,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.20 : 235,117.80 = 97,550.40 : x
  2. Step 2: Convert to fraction form
    156,745.20/235,117.80 = 97,550.40/x
  3. Step 3: Cross multiply
    156,745.20x = 235,117.80 × 97,550.40
  4. Step 4: Simplify right side
    156,745.20x = 22,935,835,437.12
  5. Step 5: Solve for x
    x = 22,935,835,437.12/156,745.20
  6. Step 6: Final answer
    x = 146,325.60

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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.