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Finding the Fourth Proportional to 112,563.52, 168,415.40 and 98,419.10

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Solution

The fourth proportional to 112,563.52, 168,415.40 and 98,419.10 is: 147,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,563.52 : 168,415.40 = 98,419.10 : x
  2. Step 2: Convert to fraction form
    112,563.52/168,415.40 = 98,419.10/x
  3. Step 3: Cross multiply
    112,563.52x = 168,415.40 × 98,419.10
  4. Step 4: Simplify right side
    112,563.52x = 16,575,292,445.45
  5. Step 5: Solve for x
    x = 16,575,292,445.45/112,563.52
  6. Step 6: Final answer
    x = 147,252.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.