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Finding the Fourth Proportional to 216,873.99, 299,458.22 and 144,346.59

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Solution

The fourth proportional to 216,873.99, 299,458.22 and 144,346.59 is: 199,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,873.99 : 299,458.22 = 144,346.59 : x
  2. Step 2: Convert to fraction form
    216,873.99/299,458.22 = 144,346.59/x
  3. Step 3: Cross multiply
    216,873.99x = 299,458.22 × 144,346.59
  4. Step 4: Simplify right side
    216,873.99x = 43,225,772,182.74
  5. Step 5: Solve for x
    x = 43,225,772,182.74/216,873.99
  6. Step 6: Final answer
    x = 199,312.85

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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.