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Finding the Fourth Proportional to 177,389.70, 266,157.45 and 65,123.70

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Solution

The fourth proportional to 177,389.70, 266,157.45 and 65,123.70 is: 97,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,389.70 : 266,157.45 = 65,123.70 : x
  2. Step 2: Convert to fraction form
    177,389.70/266,157.45 = 65,123.70/x
  3. Step 3: Cross multiply
    177,389.70x = 266,157.45 × 65,123.70
  4. Step 4: Simplify right side
    177,389.70x = 17,333,157,926.57
  5. Step 5: Solve for x
    x = 17,333,157,926.57/177,389.70
  6. Step 6: Final answer
    x = 97,712.31

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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.