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Finding the Fourth Proportional to 127,555.44, 176,033.88 and 70,966.32

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Solution

The fourth proportional to 127,555.44, 176,033.88 and 70,966.32 is: 97,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,555.44 : 176,033.88 = 70,966.32 : x
  2. Step 2: Convert to fraction form
    127,555.44/176,033.88 = 70,966.32/x
  3. Step 3: Cross multiply
    127,555.44x = 176,033.88 × 70,966.32
  4. Step 4: Simplify right side
    127,555.44x = 12,492,476,658.92
  5. Step 5: Solve for x
    x = 12,492,476,658.92/127,555.44
  6. Step 6: Final answer
    x = 97,937.62

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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.