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Finding the Fourth Proportional to 98,595.20, 147,892.80 and 36,257.60

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Solution

The fourth proportional to 98,595.20, 147,892.80 and 36,257.60 is: 54,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,595.20 : 147,892.80 = 36,257.60 : x
  2. Step 2: Convert to fraction form
    98,595.20/147,892.80 = 36,257.60/x
  3. Step 3: Cross multiply
    98,595.20x = 147,892.80 × 36,257.60
  4. Step 4: Simplify right side
    98,595.20x = 5,362,237,985.28
  5. Step 5: Solve for x
    x = 5,362,237,985.28/98,595.20
  6. Step 6: Final answer
    x = 54,386.40

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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.