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Finding the Fourth Proportional to 112,053.68, 154,627.08 and 61,753.04

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Solution

The fourth proportional to 112,053.68, 154,627.08 and 61,753.04 is: 85,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,053.68 : 154,627.08 = 61,753.04 : x
  2. Step 2: Convert to fraction form
    112,053.68/154,627.08 = 61,753.04/x
  3. Step 3: Cross multiply
    112,053.68x = 154,627.08 × 61,753.04
  4. Step 4: Simplify right side
    112,053.68x = 9,548,692,256.32
  5. Step 5: Solve for x
    x = 9,548,692,256.32/112,053.68
  6. Step 6: Final answer
    x = 85,215.34

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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.