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Finding the Fourth Proportional to 127,807.65, 176,375.80 and 70,449.22

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Solution

The fourth proportional to 127,807.65, 176,375.80 and 70,449.22 is: 97,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,807.65 : 176,375.80 = 70,449.22 : x
  2. Step 2: Convert to fraction form
    127,807.65/176,375.80 = 70,449.22/x
  3. Step 3: Cross multiply
    127,807.65x = 176,375.80 × 70,449.22
  4. Step 4: Simplify right side
    127,807.65x = 12,425,537,536.88
  5. Step 5: Solve for x
    x = 12,425,537,536.88/127,807.65
  6. Step 6: Final answer
    x = 97,220.61

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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.