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Finding the Fourth Proportional to 176,693.76, 243,843.72 and 101,256.84

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Solution

The fourth proportional to 176,693.76, 243,843.72 and 101,256.84 is: 139,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,693.76 : 243,843.72 = 101,256.84 : x
  2. Step 2: Convert to fraction form
    176,693.76/243,843.72 = 101,256.84/x
  3. Step 3: Cross multiply
    176,693.76x = 243,843.72 × 101,256.84
  4. Step 4: Simplify right side
    176,693.76x = 24,690,844,541.04
  5. Step 5: Solve for x
    x = 24,690,844,541.04/176,693.76
  6. Step 6: Final answer
    x = 139,738.07

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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.