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Finding the Fourth Proportional to 123,333.60, 184,702.20 and 70,583.16

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Solution

The fourth proportional to 123,333.60, 184,702.20 and 70,583.16 is: 105,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,333.60 : 184,702.20 = 70,583.16 : x
  2. Step 2: Convert to fraction form
    123,333.60/184,702.20 = 70,583.16/x
  3. Step 3: Cross multiply
    123,333.60x = 184,702.20 × 70,583.16
  4. Step 4: Simplify right side
    123,333.60x = 13,036,864,934.95
  5. Step 5: Solve for x
    x = 13,036,864,934.95/123,333.60
  6. Step 6: Final answer
    x = 105,704.08

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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.