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Finding the Fourth Proportional to 160,068.42, 240,139.08 and 54,881.01

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Solution

The fourth proportional to 160,068.42, 240,139.08 and 54,881.01 is: 82,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,068.42 : 240,139.08 = 54,881.01 : x
  2. Step 2: Convert to fraction form
    160,068.42/240,139.08 = 54,881.01/x
  3. Step 3: Cross multiply
    160,068.42x = 240,139.08 × 54,881.01
  4. Step 4: Simplify right side
    160,068.42x = 13,179,075,250.87
  5. Step 5: Solve for x
    x = 13,179,075,250.87/160,068.42
  6. Step 6: Final answer
    x = 82,334.01

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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.