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Finding the Fourth Proportional to 177,752.79, 266,602.95 and 65,406.90

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Solution

The fourth proportional to 177,752.79, 266,602.95 and 65,406.90 is: 98,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,752.79 : 266,602.95 = 65,406.90 : x
  2. Step 2: Convert to fraction form
    177,752.79/266,602.95 = 65,406.90/x
  3. Step 3: Cross multiply
    177,752.79x = 266,602.95 × 65,406.90
  4. Step 4: Simplify right side
    177,752.79x = 17,437,672,163.32
  5. Step 5: Solve for x
    x = 17,437,672,163.32/177,752.79
  6. Step 6: Final answer
    x = 98,100.70

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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.