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Finding the Fourth Proportional to 127,506.15, 175,951.44 and 70,913.88

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Solution

The fourth proportional to 127,506.15, 175,951.44 and 70,913.88 is: 97,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,506.15 : 175,951.44 = 70,913.88 : x
  2. Step 2: Convert to fraction form
    127,506.15/175,951.44 = 70,913.88/x
  3. Step 3: Cross multiply
    127,506.15x = 175,951.44 × 70,913.88
  4. Step 4: Simplify right side
    127,506.15x = 12,477,399,301.99
  5. Step 5: Solve for x
    x = 12,477,399,301.99/127,506.15
  6. Step 6: Final answer
    x = 97,857.24

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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.