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Finding the Fourth Proportional to 127,574.76, 176,060.07 and 70,987.35

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Solution

The fourth proportional to 127,574.76, 176,060.07 and 70,987.35 is: 97,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,574.76 : 176,060.07 = 70,987.35 : x
  2. Step 2: Convert to fraction form
    127,574.76/176,060.07 = 70,987.35/x
  3. Step 3: Cross multiply
    127,574.76x = 176,060.07 × 70,987.35
  4. Step 4: Simplify right side
    127,574.76x = 12,498,037,810.11
  5. Step 5: Solve for x
    x = 12,498,037,810.11/127,574.76
  6. Step 6: Final answer
    x = 97,966.38

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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.