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Finding the Fourth Proportional to 176,341.76, 243,446.40 and 135,967.04

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Solution

The fourth proportional to 176,341.76, 243,446.40 and 135,967.04 is: 187,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,341.76 : 243,446.40 = 135,967.04 : x
  2. Step 2: Convert to fraction form
    176,341.76/243,446.40 = 135,967.04/x
  3. Step 3: Cross multiply
    176,341.76x = 243,446.40 × 135,967.04
  4. Step 4: Simplify right side
    176,341.76x = 33,100,686,406.66
  5. Step 5: Solve for x
    x = 33,100,686,406.66/176,341.76
  6. Step 6: Final answer
    x = 187,707.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.