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Finding the Fourth Proportional to 177,707.00, 266,634.54 and 77,938.83

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Solution

The fourth proportional to 177,707.00, 266,634.54 and 77,938.83 is: 116,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,707.00 : 266,634.54 = 77,938.83 : x
  2. Step 2: Convert to fraction form
    177,707.00/266,634.54 = 77,938.83/x
  3. Step 3: Cross multiply
    177,707.00x = 266,634.54 × 77,938.83
  4. Step 4: Simplify right side
    177,707.00x = 20,781,184,085.19
  5. Step 5: Solve for x
    x = 20,781,184,085.19/177,707.00
  6. Step 6: Final answer
    x = 116,940.72

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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.