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Finding the Fourth Proportional to 173,358.90, 260,038.35 and 156,770.10

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Solution

The fourth proportional to 173,358.90, 260,038.35 and 156,770.10 is: 235,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,358.90 : 260,038.35 = 156,770.10 : x
  2. Step 2: Convert to fraction form
    173,358.90/260,038.35 = 156,770.10/x
  3. Step 3: Cross multiply
    173,358.90x = 260,038.35 × 156,770.10
  4. Step 4: Simplify right side
    173,358.90x = 40,766,238,133.34
  5. Step 5: Solve for x
    x = 40,766,238,133.34/173,358.90
  6. Step 6: Final answer
    x = 235,155.15

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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.