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Finding the Fourth Proportional to 101,483.52, 140,038.92 and 56,160.60

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Solution

The fourth proportional to 101,483.52, 140,038.92 and 56,160.60 is: 77,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,483.52 : 140,038.92 = 56,160.60 : x
  2. Step 2: Convert to fraction form
    101,483.52/140,038.92 = 56,160.60/x
  3. Step 3: Cross multiply
    101,483.52x = 140,038.92 × 56,160.60
  4. Step 4: Simplify right side
    101,483.52x = 7,864,669,770.55
  5. Step 5: Solve for x
    x = 7,864,669,770.55/101,483.52
  6. Step 6: Final answer
    x = 77,497.01

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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.