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Finding the Fourth Proportional to 183,624.60, 275,436.90 and 99,643.80

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Solution

The fourth proportional to 183,624.60, 275,436.90 and 99,643.80 is: 149,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,624.60 : 275,436.90 = 99,643.80 : x
  2. Step 2: Convert to fraction form
    183,624.60/275,436.90 = 99,643.80/x
  3. Step 3: Cross multiply
    183,624.60x = 275,436.90 × 99,643.80
  4. Step 4: Simplify right side
    183,624.60x = 27,445,579,376.22
  5. Step 5: Solve for x
    x = 27,445,579,376.22/183,624.60
  6. Step 6: Final answer
    x = 149,465.70

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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.