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Finding the Fourth Proportional to 134,283.72, 185,307.84 and 73,854.39

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Solution

The fourth proportional to 134,283.72, 185,307.84 and 73,854.39 is: 101,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,283.72 : 185,307.84 = 73,854.39 : x
  2. Step 2: Convert to fraction form
    134,283.72/185,307.84 = 73,854.39/x
  3. Step 3: Cross multiply
    134,283.72x = 185,307.84 × 73,854.39
  4. Step 4: Simplify right side
    134,283.72x = 13,685,797,485.42
  5. Step 5: Solve for x
    x = 13,685,797,485.42/134,283.72
  6. Step 6: Final answer
    x = 101,917.03

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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.