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Finding the Fourth Proportional to 192,920.63, 288,207.44 and 124,898.50

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Solution

The fourth proportional to 192,920.63, 288,207.44 and 124,898.50 is: 186,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,920.63 : 288,207.44 = 124,898.50 : x
  2. Step 2: Convert to fraction form
    192,920.63/288,207.44 = 124,898.50/x
  3. Step 3: Cross multiply
    192,920.63x = 288,207.44 × 124,898.50
  4. Step 4: Simplify right side
    192,920.63x = 35,996,676,068.20
  5. Step 5: Solve for x
    x = 35,996,676,068.20/192,920.63
  6. Step 6: Final answer
    x = 186,588.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.