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Finding the Fourth Proportional to 126,573.66, 174,675.15 and 69,987.06

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Solution

The fourth proportional to 126,573.66, 174,675.15 and 69,987.06 is: 96,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,573.66 : 174,675.15 = 69,987.06 : x
  2. Step 2: Convert to fraction form
    126,573.66/174,675.15 = 69,987.06/x
  3. Step 3: Cross multiply
    126,573.66x = 174,675.15 × 69,987.06
  4. Step 4: Simplify right side
    126,573.66x = 12,225,000,203.56
  5. Step 5: Solve for x
    x = 12,225,000,203.56/126,573.66
  6. Step 6: Final answer
    x = 96,584.08

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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.