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Finding the Fourth Proportional to 176,637.60, 243,726.84 and 105,035.22

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Solution

The fourth proportional to 176,637.60, 243,726.84 and 105,035.22 is: 144,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,637.60 : 243,726.84 = 105,035.22 : x
  2. Step 2: Convert to fraction form
    176,637.60/243,726.84 = 105,035.22/x
  3. Step 3: Cross multiply
    176,637.60x = 243,726.84 × 105,035.22
  4. Step 4: Simplify right side
    176,637.60x = 25,599,902,259.30
  5. Step 5: Solve for x
    x = 25,599,902,259.30/176,637.60
  6. Step 6: Final answer
    x = 144,928.95

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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.