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Finding the Fourth Proportional to 123,883.52, 170,973.60 and 116,283.29

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Solution

The fourth proportional to 123,883.52, 170,973.60 and 116,283.29 is: 160,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,883.52 : 170,973.60 = 116,283.29 : x
  2. Step 2: Convert to fraction form
    123,883.52/170,973.60 = 116,283.29/x
  3. Step 3: Cross multiply
    123,883.52x = 170,973.60 × 116,283.29
  4. Step 4: Simplify right side
    123,883.52x = 19,881,372,711.14
  5. Step 5: Solve for x
    x = 19,881,372,711.14/123,883.52
  6. Step 6: Final answer
    x = 160,484.40

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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.