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Finding the Fourth Proportional to 170,510.40, 255,784.80 and 52,180.80

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Solution

The fourth proportional to 170,510.40, 255,784.80 and 52,180.80 is: 78,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,510.40 : 255,784.80 = 52,180.80 : x
  2. Step 2: Convert to fraction form
    170,510.40/255,784.80 = 52,180.80/x
  3. Step 3: Cross multiply
    170,510.40x = 255,784.80 × 52,180.80
  4. Step 4: Simplify right side
    170,510.40x = 13,347,055,491.84
  5. Step 5: Solve for x
    x = 13,347,055,491.84/170,510.40
  6. Step 6: Final answer
    x = 78,277.08

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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.