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Finding the Fourth Proportional to 126,885.68, 175,090.02 and 75,888.08

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Solution

The fourth proportional to 126,885.68, 175,090.02 and 75,888.08 is: 104,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,885.68 : 175,090.02 = 75,888.08 : x
  2. Step 2: Convert to fraction form
    126,885.68/175,090.02 = 75,888.08/x
  3. Step 3: Cross multiply
    126,885.68x = 175,090.02 × 75,888.08
  4. Step 4: Simplify right side
    126,885.68x = 13,287,244,569.51
  5. Step 5: Solve for x
    x = 13,287,244,569.51/126,885.68
  6. Step 6: Final answer
    x = 104,718.24

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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.