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Finding the Fourth Proportional to 173,360.80, 260,127.60 and 98,538.40

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Solution

The fourth proportional to 173,360.80, 260,127.60 and 98,538.40 is: 147,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,360.80 : 260,127.60 = 98,538.40 : x
  2. Step 2: Convert to fraction form
    173,360.80/260,127.60 = 98,538.40/x
  3. Step 3: Cross multiply
    173,360.80x = 260,127.60 × 98,538.40
  4. Step 4: Simplify right side
    173,360.80x = 25,632,557,499.84
  5. Step 5: Solve for x
    x = 25,632,557,499.84/173,360.80
  6. Step 6: Final answer
    x = 147,856.71

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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.