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Finding the Fourth Proportional to 216,852.16, 299,199.09 and 124,948.93

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Solution

The fourth proportional to 216,852.16, 299,199.09 and 124,948.93 is: 172,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,852.16 : 299,199.09 = 124,948.93 : x
  2. Step 2: Convert to fraction form
    216,852.16/299,199.09 = 124,948.93/x
  3. Step 3: Cross multiply
    216,852.16x = 299,199.09 × 124,948.93
  4. Step 4: Simplify right side
    216,852.16x = 37,384,606,152.47
  5. Step 5: Solve for x
    x = 37,384,606,152.47/216,852.16
  6. Step 6: Final answer
    x = 172,396.74

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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.