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Finding the Fourth Proportional to 110,730.55, 154,672.85 and 110,730.55

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Solution

The fourth proportional to 110,730.55, 154,672.85 and 110,730.55 is: 154,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,730.55 : 154,672.85 = 110,730.55 : x
  2. Step 2: Convert to fraction form
    110,730.55/154,672.85 = 110,730.55/x
  3. Step 3: Cross multiply
    110,730.55x = 154,672.85 × 110,730.55
  4. Step 4: Simplify right side
    110,730.55x = 17,127,009,750.57
  5. Step 5: Solve for x
    x = 17,127,009,750.57/110,730.55
  6. Step 6: Final answer
    x = 154,672.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.