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Finding the Fourth Proportional to 179,489.70, 247,697.40 and 98,920.08

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Solution

The fourth proportional to 179,489.70, 247,697.40 and 98,920.08 is: 136,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,489.70 : 247,697.40 = 98,920.08 : x
  2. Step 2: Convert to fraction form
    179,489.70/247,697.40 = 98,920.08/x
  3. Step 3: Cross multiply
    179,489.70x = 247,697.40 × 98,920.08
  4. Step 4: Simplify right side
    179,489.70x = 24,502,246,623.79
  5. Step 5: Solve for x
    x = 24,502,246,623.79/179,489.70
  6. Step 6: Final answer
    x = 136,510.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.