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Finding the Fourth Proportional to 180,776.79, 270,897.78 and 170,666.91

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Solution

The fourth proportional to 180,776.79, 270,897.78 and 170,666.91 is: 255,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,776.79 : 270,897.78 = 170,666.91 : x
  2. Step 2: Convert to fraction form
    180,776.79/270,897.78 = 170,666.91/x
  3. Step 3: Cross multiply
    180,776.79x = 270,897.78 × 170,666.91
  4. Step 4: Simplify right side
    180,776.79x = 46,233,287,038.46
  5. Step 5: Solve for x
    x = 46,233,287,038.46/180,776.79
  6. Step 6: Final answer
    x = 255,747.91

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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.