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Finding the Fourth Proportional to 119,111.67, 178,652.77 and 34,870.93

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Solution

The fourth proportional to 119,111.67, 178,652.77 and 34,870.93 is: 52,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,111.67 : 178,652.77 = 34,870.93 : x
  2. Step 2: Convert to fraction form
    119,111.67/178,652.77 = 34,870.93/x
  3. Step 3: Cross multiply
    119,111.67x = 178,652.77 × 34,870.93
  4. Step 4: Simplify right side
    119,111.67x = 6,229,787,703.17
  5. Step 5: Solve for x
    x = 6,229,787,703.17/119,111.67
  6. Step 6: Final answer
    x = 52,302.08

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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.