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Finding the Fourth Proportional to 127,486.68, 175,929.12 and 70,896.84

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Solution

The fourth proportional to 127,486.68, 175,929.12 and 70,896.84 is: 97,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,486.68 : 175,929.12 = 70,896.84 : x
  2. Step 2: Convert to fraction form
    127,486.68/175,929.12 = 70,896.84/x
  3. Step 3: Cross multiply
    127,486.68x = 175,929.12 × 70,896.84
  4. Step 4: Simplify right side
    127,486.68x = 12,472,818,671.98
  5. Step 5: Solve for x
    x = 12,472,818,671.98/127,486.68
  6. Step 6: Final answer
    x = 97,836.25

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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.