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Finding the Fourth Proportional to 127,885.83, 176,478.64 and 70,525.14

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Solution

The fourth proportional to 127,885.83, 176,478.64 and 70,525.14 is: 97,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,885.83 : 176,478.64 = 70,525.14 : x
  2. Step 2: Convert to fraction form
    127,885.83/176,478.64 = 70,525.14/x
  3. Step 3: Cross multiply
    127,885.83x = 176,478.64 × 70,525.14
  4. Step 4: Simplify right side
    127,885.83x = 12,446,180,793.01
  5. Step 5: Solve for x
    x = 12,446,180,793.01/127,885.83
  6. Step 6: Final answer
    x = 97,322.59

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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.