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Finding the Fourth Proportional to 66,074.60, 99,111.06 and 16,155.16

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Solution

The fourth proportional to 66,074.60, 99,111.06 and 16,155.16 is: 24,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.60 : 99,111.06 = 16,155.16 : x
  2. Step 2: Convert to fraction form
    66,074.60/99,111.06 = 16,155.16/x
  3. Step 3: Cross multiply
    66,074.60x = 99,111.06 × 16,155.16
  4. Step 4: Simplify right side
    66,074.60x = 1,601,155,032.07
  5. Step 5: Solve for x
    x = 1,601,155,032.07/66,074.60
  6. Step 6: Final answer
    x = 24,232.53

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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.