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Finding the Fourth Proportional to 127,863.58, 176,453.12 and 70,503.01

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Solution

The fourth proportional to 127,863.58, 176,453.12 and 70,503.01 is: 97,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,863.58 : 176,453.12 = 70,503.01 : x
  2. Step 2: Convert to fraction form
    127,863.58/176,453.12 = 70,503.01/x
  3. Step 3: Cross multiply
    127,863.58x = 176,453.12 × 70,503.01
  4. Step 4: Simplify right side
    127,863.58x = 12,440,476,083.89
  5. Step 5: Solve for x
    x = 12,440,476,083.89/127,863.58
  6. Step 6: Final answer
    x = 97,294.91

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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.