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Finding the Fourth Proportional to 160,573.16, 221,603.46 and 88,959.80

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Solution

The fourth proportional to 160,573.16, 221,603.46 and 88,959.80 is: 122,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,573.16 : 221,603.46 = 88,959.80 : x
  2. Step 2: Convert to fraction form
    160,573.16/221,603.46 = 88,959.80/x
  3. Step 3: Cross multiply
    160,573.16x = 221,603.46 × 88,959.80
  4. Step 4: Simplify right side
    160,573.16x = 19,713,799,480.91
  5. Step 5: Solve for x
    x = 19,713,799,480.91/160,573.16
  6. Step 6: Final answer
    x = 122,771.45

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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.