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Finding the Fourth Proportional to 170,510.93, 255,803.87 and 52,191.40

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Solution

The fourth proportional to 170,510.93, 255,803.87 and 52,191.40 is: 78,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,510.93 : 255,803.87 = 52,191.40 : x
  2. Step 2: Convert to fraction form
    170,510.93/255,803.87 = 52,191.40/x
  3. Step 3: Cross multiply
    170,510.93x = 255,803.87 × 52,191.40
  4. Step 4: Simplify right side
    170,510.93x = 13,350,762,100.72
  5. Step 5: Solve for x
    x = 13,350,762,100.72/170,510.93
  6. Step 6: Final answer
    x = 78,298.57

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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.