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Finding the Fourth Proportional to 98,433.60, 147,549.60 and 48,436.80

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Solution

The fourth proportional to 98,433.60, 147,549.60 and 48,436.80 is: 72,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.60 : 147,549.60 = 48,436.80 : x
  2. Step 2: Convert to fraction form
    98,433.60/147,549.60 = 48,436.80/x
  3. Step 3: Cross multiply
    98,433.60x = 147,549.60 × 48,436.80
  4. Step 4: Simplify right side
    98,433.60x = 7,146,830,465.28
  5. Step 5: Solve for x
    x = 7,146,830,465.28/98,433.60
  6. Step 6: Final answer
    x = 72,605.60

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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.