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Finding the Fourth Proportional to 130,959.61, 196,719.28 and 93,758.74

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Solution

The fourth proportional to 130,959.61, 196,719.28 and 93,758.74 is: 140,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,959.61 : 196,719.28 = 93,758.74 : x
  2. Step 2: Convert to fraction form
    130,959.61/196,719.28 = 93,758.74/x
  3. Step 3: Cross multiply
    130,959.61x = 196,719.28 × 93,758.74
  4. Step 4: Simplify right side
    130,959.61x = 18,444,152,180.98
  5. Step 5: Solve for x
    x = 18,444,152,180.98/130,959.61
  6. Step 6: Final answer
    x = 140,838.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.