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Finding the Fourth Proportional to 186,053.58, 256,722.80 and 109,587.92

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Solution

The fourth proportional to 186,053.58, 256,722.80 and 109,587.92 is: 151,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,053.58 : 256,722.80 = 109,587.92 : x
  2. Step 2: Convert to fraction form
    186,053.58/256,722.80 = 109,587.92/x
  3. Step 3: Cross multiply
    186,053.58x = 256,722.80 × 109,587.92
  4. Step 4: Simplify right side
    186,053.58x = 28,133,715,837.02
  5. Step 5: Solve for x
    x = 28,133,715,837.02/186,053.58
  6. Step 6: Final answer
    x = 151,212.98

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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.