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Finding the Fourth Proportional to 154,064.80, 231,075.60 and 48,894.40

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Solution

The fourth proportional to 154,064.80, 231,075.60 and 48,894.40 is: 73,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,064.80 : 231,075.60 = 48,894.40 : x
  2. Step 2: Convert to fraction form
    154,064.80/231,075.60 = 48,894.40/x
  3. Step 3: Cross multiply
    154,064.80x = 231,075.60 × 48,894.40
  4. Step 4: Simplify right side
    154,064.80x = 11,298,302,816.64
  5. Step 5: Solve for x
    x = 11,298,302,816.64/154,064.80
  6. Step 6: Final answer
    x = 73,334.74

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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.