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Finding the Fourth Proportional to 122,603.01, 183,881.45 and 38,350.55

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Solution

The fourth proportional to 122,603.01, 183,881.45 and 38,350.55 is: 57,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,603.01 : 183,881.45 = 38,350.55 : x
  2. Step 2: Convert to fraction form
    122,603.01/183,881.45 = 38,350.55/x
  3. Step 3: Cross multiply
    122,603.01x = 183,881.45 × 38,350.55
  4. Step 4: Simplify right side
    122,603.01x = 7,051,953,631.14
  5. Step 5: Solve for x
    x = 7,051,953,631.14/122,603.01
  6. Step 6: Final answer
    x = 57,518.60

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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.