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Finding the Fourth Proportional to 173,376.90, 260,065.35 and 156,788.10

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Solution

The fourth proportional to 173,376.90, 260,065.35 and 156,788.10 is: 235,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,376.90 : 260,065.35 = 156,788.10 : x
  2. Step 2: Convert to fraction form
    173,376.90/260,065.35 = 156,788.10/x
  3. Step 3: Cross multiply
    173,376.90x = 260,065.35 × 156,788.10
  4. Step 4: Simplify right side
    173,376.90x = 40,775,152,102.34
  5. Step 5: Solve for x
    x = 40,775,152,102.34/173,376.90
  6. Step 6: Final answer
    x = 235,182.15

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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.