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Finding the Fourth Proportional to 127,244.16, 175,602.24 and 70,656

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Solution

The fourth proportional to 127,244.16, 175,602.24 and 70,656 is: 97,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,244.16 : 175,602.24 = 70,656 : x
  2. Step 2: Convert to fraction form
    127,244.16/175,602.24 = 70,656/x
  3. Step 3: Cross multiply
    127,244.16x = 175,602.24 × 70,656
  4. Step 4: Simplify right side
    127,244.16x = 12,407,351,869.44
  5. Step 5: Solve for x
    x = 12,407,351,869.44/127,244.16
  6. Step 6: Final answer
    x = 97,508.22

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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.