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Finding the Fourth Proportional to 160,283.57, 221,191.78 and 88,663.59

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Solution

The fourth proportional to 160,283.57, 221,191.78 and 88,663.59 is: 122,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,283.57 : 221,191.78 = 88,663.59 : x
  2. Step 2: Convert to fraction form
    160,283.57/221,191.78 = 88,663.59/x
  3. Step 3: Cross multiply
    160,283.57x = 221,191.78 × 88,663.59
  4. Step 4: Simplify right side
    160,283.57x = 19,611,657,071.63
  5. Step 5: Solve for x
    x = 19,611,657,071.63/160,283.57
  6. Step 6: Final answer
    x = 122,356.00

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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.