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Finding the Fourth Proportional to 177,510.40, 266,189.40 and 65,153.68

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Solution

The fourth proportional to 177,510.40, 266,189.40 and 65,153.68 is: 97,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,510.40 : 266,189.40 = 65,153.68 : x
  2. Step 2: Convert to fraction form
    177,510.40/266,189.40 = 65,153.68/x
  3. Step 3: Cross multiply
    177,510.40x = 266,189.40 × 65,153.68
  4. Step 4: Simplify right side
    177,510.40x = 17,343,218,986.99
  5. Step 5: Solve for x
    x = 17,343,218,986.99/177,510.40
  6. Step 6: Final answer
    x = 97,702.55

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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.