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Finding the Fourth Proportional to 160,560.42, 221,570.60 and 88,938.93

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Solution

The fourth proportional to 160,560.42, 221,570.60 and 88,938.93 is: 122,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,560.42 : 221,570.60 = 88,938.93 : x
  2. Step 2: Convert to fraction form
    160,560.42/221,570.60 = 88,938.93/x
  3. Step 3: Cross multiply
    160,560.42x = 221,570.60 × 88,938.93
  4. Step 4: Simplify right side
    160,560.42x = 19,706,252,083.46
  5. Step 5: Solve for x
    x = 19,706,252,083.46/160,560.42
  6. Step 6: Final answer
    x = 122,734.18

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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.