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Finding the Fourth Proportional to 177,807.36, 266,737.56 and 65,478.96

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Solution

The fourth proportional to 177,807.36, 266,737.56 and 65,478.96 is: 98,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,807.36 : 266,737.56 = 65,478.96 : x
  2. Step 2: Convert to fraction form
    177,807.36/266,737.56 = 65,478.96/x
  3. Step 3: Cross multiply
    177,807.36x = 266,737.56 × 65,478.96
  4. Step 4: Simplify right side
    177,807.36x = 17,465,698,021.74
  5. Step 5: Solve for x
    x = 17,465,698,021.74/177,807.36
  6. Step 6: Final answer
    x = 98,228.21

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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.