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Finding the Fourth Proportional to 213,570.54, 294,700.95 and 118,079.10

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Solution

The fourth proportional to 213,570.54, 294,700.95 and 118,079.10 is: 162,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,570.54 : 294,700.95 = 118,079.10 : x
  2. Step 2: Convert to fraction form
    213,570.54/294,700.95 = 118,079.10/x
  3. Step 3: Cross multiply
    213,570.54x = 294,700.95 × 118,079.10
  4. Step 4: Simplify right side
    213,570.54x = 34,798,022,945.15
  5. Step 5: Solve for x
    x = 34,798,022,945.15/213,570.54
  6. Step 6: Final answer
    x = 162,934.56

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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.