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Finding the Fourth Proportional to 169,681.56, 254,281.62 and 124,957.56

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Solution

The fourth proportional to 169,681.56, 254,281.62 and 124,957.56 is: 187,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,681.56 : 254,281.62 = 124,957.56 : x
  2. Step 2: Convert to fraction form
    169,681.56/254,281.62 = 124,957.56/x
  3. Step 3: Cross multiply
    169,681.56x = 254,281.62 × 124,957.56
  4. Step 4: Simplify right side
    169,681.56x = 31,774,410,788.05
  5. Step 5: Solve for x
    x = 31,774,410,788.05/169,681.56
  6. Step 6: Final answer
    x = 187,259.07

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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.