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Finding the Fourth Proportional to 153,881.12, 230,855.16 and 48,701

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Solution

The fourth proportional to 153,881.12, 230,855.16 and 48,701 is: 73,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,881.12 : 230,855.16 = 48,701 : x
  2. Step 2: Convert to fraction form
    153,881.12/230,855.16 = 48,701/x
  3. Step 3: Cross multiply
    153,881.12x = 230,855.16 × 48,701
  4. Step 4: Simplify right side
    153,881.12x = 11,242,877,147.16
  5. Step 5: Solve for x
    x = 11,242,877,147.16/153,881.12
  6. Step 6: Final answer
    x = 73,062.10

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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.