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Finding the Fourth Proportional to 75,301.34, 112,730.08 and 65,959.60

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Solution

The fourth proportional to 75,301.34, 112,730.08 and 65,959.60 is: 98,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,301.34 : 112,730.08 = 65,959.60 : x
  2. Step 2: Convert to fraction form
    75,301.34/112,730.08 = 65,959.60/x
  3. Step 3: Cross multiply
    75,301.34x = 112,730.08 × 65,959.60
  4. Step 4: Simplify right side
    75,301.34x = 7,435,630,984.77
  5. Step 5: Solve for x
    x = 7,435,630,984.77/75,301.34
  6. Step 6: Final answer
    x = 98,745.00

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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.