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Finding the Fourth Proportional to 140,328.95, 210,526.29 and 95,976.59

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Solution

The fourth proportional to 140,328.95, 210,526.29 and 95,976.59 is: 143,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,328.95 : 210,526.29 = 95,976.59 : x
  2. Step 2: Convert to fraction form
    140,328.95/210,526.29 = 95,976.59/x
  3. Step 3: Cross multiply
    140,328.95x = 210,526.29 × 95,976.59
  4. Step 4: Simplify right side
    140,328.95x = 20,205,594,366.92
  5. Step 5: Solve for x
    x = 20,205,594,366.92/140,328.95
  6. Step 6: Final answer
    x = 143,987.36

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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.