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Finding the Fourth Proportional to 186,053.80, 278,772.90 and 107,030.20

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Solution

The fourth proportional to 186,053.80, 278,772.90 and 107,030.20 is: 160,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,053.80 : 278,772.90 = 107,030.20 : x
  2. Step 2: Convert to fraction form
    186,053.80/278,772.90 = 107,030.20/x
  3. Step 3: Cross multiply
    186,053.80x = 278,772.90 × 107,030.20
  4. Step 4: Simplify right side
    186,053.80x = 29,837,119,241.58
  5. Step 5: Solve for x
    x = 29,837,119,241.58/186,053.80
  6. Step 6: Final answer
    x = 160,368.23

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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.