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Finding the Fourth Proportional to 177,615.62, 266,416.11 and 98,679.50

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Solution

The fourth proportional to 177,615.62, 266,416.11 and 98,679.50 is: 148,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,615.62 : 266,416.11 = 98,679.50 : x
  2. Step 2: Convert to fraction form
    177,615.62/266,416.11 = 98,679.50/x
  3. Step 3: Cross multiply
    177,615.62x = 266,416.11 × 98,679.50
  4. Step 4: Simplify right side
    177,615.62x = 26,289,808,526.75
  5. Step 5: Solve for x
    x = 26,289,808,526.75/177,615.62
  6. Step 6: Final answer
    x = 148,015.18

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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.