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Finding the Fourth Proportional to 173,886.90, 260,733.15 and 74,030.10

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Solution

The fourth proportional to 173,886.90, 260,733.15 and 74,030.10 is: 111,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.90 : 260,733.15 = 74,030.10 : x
  2. Step 2: Convert to fraction form
    173,886.90/260,733.15 = 74,030.10/x
  3. Step 3: Cross multiply
    173,886.90x = 260,733.15 × 74,030.10
  4. Step 4: Simplify right side
    173,886.90x = 19,302,101,167.82
  5. Step 5: Solve for x
    x = 19,302,101,167.82/173,886.90
  6. Step 6: Final answer
    x = 111,003.77

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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.