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Finding the Fourth Proportional to 113,784.98, 157,020.30 and 62,797.02

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Solution

The fourth proportional to 113,784.98, 157,020.30 and 62,797.02 is: 86,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,784.98 : 157,020.30 = 62,797.02 : x
  2. Step 2: Convert to fraction form
    113,784.98/157,020.30 = 62,797.02/x
  3. Step 3: Cross multiply
    113,784.98x = 157,020.30 × 62,797.02
  4. Step 4: Simplify right side
    113,784.98x = 9,860,406,919.51
  5. Step 5: Solve for x
    x = 9,860,406,919.51/113,784.98
  6. Step 6: Final answer
    x = 86,658.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.