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Finding the Fourth Proportional to 177,316.48, 265,744.92 and 72,013.12

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Solution

The fourth proportional to 177,316.48, 265,744.92 and 72,013.12 is: 107,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,316.48 : 265,744.92 = 72,013.12 : x
  2. Step 2: Convert to fraction form
    177,316.48/265,744.92 = 72,013.12/x
  3. Step 3: Cross multiply
    177,316.48x = 265,744.92 × 72,013.12
  4. Step 4: Simplify right side
    177,316.48x = 19,137,120,813.35
  5. Step 5: Solve for x
    x = 19,137,120,813.35/177,316.48
  6. Step 6: Final answer
    x = 107,926.35

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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.