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Finding the Fourth Proportional to 177,775.30, 266,970.15 and 94,831.30

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Solution

The fourth proportional to 177,775.30, 266,970.15 and 94,831.30 is: 142,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,775.30 : 266,970.15 = 94,831.30 : x
  2. Step 2: Convert to fraction form
    177,775.30/266,970.15 = 94,831.30/x
  3. Step 3: Cross multiply
    177,775.30x = 266,970.15 × 94,831.30
  4. Step 4: Simplify right side
    177,775.30x = 25,317,126,385.70
  5. Step 5: Solve for x
    x = 25,317,126,385.70/177,775.30
  6. Step 6: Final answer
    x = 142,410.82

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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.