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Finding the Fourth Proportional to 219,480.83, 302,881.65 and 118,878.83

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Solution

The fourth proportional to 219,480.83, 302,881.65 and 118,878.83 is: 164,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,480.83 : 302,881.65 = 118,878.83 : x
  2. Step 2: Convert to fraction form
    219,480.83/302,881.65 = 118,878.83/x
  3. Step 3: Cross multiply
    219,480.83x = 302,881.65 × 118,878.83
  4. Step 4: Simplify right side
    219,480.83x = 36,006,216,180.47
  5. Step 5: Solve for x
    x = 36,006,216,180.47/219,480.83
  6. Step 6: Final answer
    x = 164,051.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.