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Finding the Fourth Proportional to 177,389.85, 266,119.80 and 65,071.10

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Solution

The fourth proportional to 177,389.85, 266,119.80 and 65,071.10 is: 97,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,389.85 : 266,119.80 = 65,071.10 : x
  2. Step 2: Convert to fraction form
    177,389.85/266,119.80 = 65,071.10/x
  3. Step 3: Cross multiply
    177,389.85x = 266,119.80 × 65,071.10
  4. Step 4: Simplify right side
    177,389.85x = 17,316,707,591.18
  5. Step 5: Solve for x
    x = 17,316,707,591.18/177,389.85
  6. Step 6: Final answer
    x = 97,619.50

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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.