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Finding the Fourth Proportional to 239,055.71, 358,337.52 and 105,998.63

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Solution

The fourth proportional to 239,055.71, 358,337.52 and 105,998.63 is: 158,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,055.71 : 358,337.52 = 105,998.63 : x
  2. Step 2: Convert to fraction form
    239,055.71/358,337.52 = 105,998.63/x
  3. Step 3: Cross multiply
    239,055.71x = 358,337.52 × 105,998.63
  4. Step 4: Simplify right side
    239,055.71x = 37,983,284,405.91
  5. Step 5: Solve for x
    x = 37,983,284,405.91/239,055.71
  6. Step 6: Final answer
    x = 158,888.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.