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Finding the Fourth Proportional to 216,851.16, 299,197.71 and 124,947.93

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Solution

The fourth proportional to 216,851.16, 299,197.71 and 124,947.93 is: 172,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,851.16 : 299,197.71 = 124,947.93 : x
  2. Step 2: Convert to fraction form
    216,851.16/299,197.71 = 124,947.93/x
  3. Step 3: Cross multiply
    216,851.16x = 299,197.71 × 124,947.93
  4. Step 4: Simplify right side
    216,851.16x = 37,384,134,525.24
  5. Step 5: Solve for x
    x = 37,384,134,525.24/216,851.16
  6. Step 6: Final answer
    x = 172,395.36

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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.