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Finding the Fourth Proportional to 127,532.94, 175,994.63 and 70,175.76

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Solution

The fourth proportional to 127,532.94, 175,994.63 and 70,175.76 is: 96,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,532.94 : 175,994.63 = 70,175.76 : x
  2. Step 2: Convert to fraction form
    127,532.94/175,994.63 = 70,175.76/x
  3. Step 3: Cross multiply
    127,532.94x = 175,994.63 × 70,175.76
  4. Step 4: Simplify right side
    127,532.94x = 12,350,556,916.17
  5. Step 5: Solve for x
    x = 12,350,556,916.17/127,532.94
  6. Step 6: Final answer
    x = 96,842.09

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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.