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Finding the Fourth Proportional to 127,195.58, 175,521.12 and 70,602.50

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Solution

The fourth proportional to 127,195.58, 175,521.12 and 70,602.50 is: 97,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,195.58 : 175,521.12 = 70,602.50 : x
  2. Step 2: Convert to fraction form
    127,195.58/175,521.12 = 70,602.50/x
  3. Step 3: Cross multiply
    127,195.58x = 175,521.12 × 70,602.50
  4. Step 4: Simplify right side
    127,195.58x = 12,392,229,874.80
  5. Step 5: Solve for x
    x = 12,392,229,874.80/127,195.58
  6. Step 6: Final answer
    x = 97,426.58

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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.