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Finding the Fourth Proportional to 173,346.90, 260,020.35 and 98,438.10

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Solution

The fourth proportional to 173,346.90, 260,020.35 and 98,438.10 is: 147,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,346.90 : 260,020.35 = 98,438.10 : x
  2. Step 2: Convert to fraction form
    173,346.90/260,020.35 = 98,438.10/x
  3. Step 3: Cross multiply
    173,346.90x = 260,020.35 × 98,438.10
  4. Step 4: Simplify right side
    173,346.90x = 25,595,909,215.34
  5. Step 5: Solve for x
    x = 25,595,909,215.34/173,346.90
  6. Step 6: Final answer
    x = 147,657.15

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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.