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Finding the Fourth Proportional to 450,127.72, 675,191.58 and 117,700.84

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Solution

The fourth proportional to 450,127.72, 675,191.58 and 117,700.84 is: 176,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,127.72 : 675,191.58 = 117,700.84 : x
  2. Step 2: Convert to fraction form
    450,127.72/675,191.58 = 117,700.84/x
  3. Step 3: Cross multiply
    450,127.72x = 675,191.58 × 117,700.84
  4. Step 4: Simplify right side
    450,127.72x = 79,470,616,126.93
  5. Step 5: Solve for x
    x = 79,470,616,126.93/450,127.72
  6. Step 6: Final answer
    x = 176,551.26

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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.