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Finding the Fourth Proportional to 268,287.98, 370,156.67 and 160,818.80

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Solution

The fourth proportional to 268,287.98, 370,156.67 and 160,818.80 is: 221,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,287.98 : 370,156.67 = 160,818.80 : x
  2. Step 2: Convert to fraction form
    268,287.98/370,156.67 = 160,818.80/x
  3. Step 3: Cross multiply
    268,287.98x = 370,156.67 × 160,818.80
  4. Step 4: Simplify right side
    268,287.98x = 59,528,149,429.59
  5. Step 5: Solve for x
    x = 59,528,149,429.59/268,287.98
  6. Step 6: Final answer
    x = 221,881.54

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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.