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Finding the Fourth Proportional to 219,246.90, 328,870.35 and 94,587.90

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Solution

The fourth proportional to 219,246.90, 328,870.35 and 94,587.90 is: 141,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,246.90 : 328,870.35 = 94,587.90 : x
  2. Step 2: Convert to fraction form
    219,246.90/328,870.35 = 94,587.90/x
  3. Step 3: Cross multiply
    219,246.90x = 328,870.35 × 94,587.90
  4. Step 4: Simplify right side
    219,246.90x = 31,107,155,778.77
  5. Step 5: Solve for x
    x = 31,107,155,778.77/219,246.90
  6. Step 6: Final answer
    x = 141,881.85

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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.