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Finding the Fourth Proportional to 160,734.80, 240,929.40 and 60,856.40

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Solution

The fourth proportional to 160,734.80, 240,929.40 and 60,856.40 is: 91,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,734.80 : 240,929.40 = 60,856.40 : x
  2. Step 2: Convert to fraction form
    160,734.80/240,929.40 = 60,856.40/x
  3. Step 3: Cross multiply
    160,734.80x = 240,929.40 × 60,856.40
  4. Step 4: Simplify right side
    160,734.80x = 14,662,095,938.16
  5. Step 5: Solve for x
    x = 14,662,095,938.16/160,734.80
  6. Step 6: Final answer
    x = 91,219.18

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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.