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Finding the Fourth Proportional to 213,587.83, 294,728.65 and 118,079.11

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Solution

The fourth proportional to 213,587.83, 294,728.65 and 118,079.11 is: 162,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,587.83 : 294,728.65 = 118,079.11 : x
  2. Step 2: Convert to fraction form
    213,587.83/294,728.65 = 118,079.11/x
  3. Step 3: Cross multiply
    213,587.83x = 294,728.65 × 118,079.11
  4. Step 4: Simplify right side
    213,587.83x = 34,801,296,683.50
  5. Step 5: Solve for x
    x = 34,801,296,683.50/213,587.83
  6. Step 6: Final answer
    x = 162,936.70

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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.