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Finding the Fourth Proportional to 154,809.60, 232,214.40 and 98,822.40

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Solution

The fourth proportional to 154,809.60, 232,214.40 and 98,822.40 is: 148,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,809.60 : 232,214.40 = 98,822.40 : x
  2. Step 2: Convert to fraction form
    154,809.60/232,214.40 = 98,822.40/x
  3. Step 3: Cross multiply
    154,809.60x = 232,214.40 × 98,822.40
  4. Step 4: Simplify right side
    154,809.60x = 22,947,984,322.56
  5. Step 5: Solve for x
    x = 22,947,984,322.56/154,809.60
  6. Step 6: Final answer
    x = 148,233.60

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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.