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Finding the Fourth Proportional to 101,353.60, 152,030.40 and 48,865.60

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Solution

The fourth proportional to 101,353.60, 152,030.40 and 48,865.60 is: 73,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,353.60 : 152,030.40 = 48,865.60 : x
  2. Step 2: Convert to fraction form
    101,353.60/152,030.40 = 48,865.60/x
  3. Step 3: Cross multiply
    101,353.60x = 152,030.40 × 48,865.60
  4. Step 4: Simplify right side
    101,353.60x = 7,429,056,714.24
  5. Step 5: Solve for x
    x = 7,429,056,714.24/101,353.60
  6. Step 6: Final answer
    x = 73,298.40

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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.