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Finding the Fourth Proportional to 180,008.48, 248,225.63 and 154,598.97

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Solution

The fourth proportional to 180,008.48, 248,225.63 and 154,598.97 is: 213,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,008.48 : 248,225.63 = 154,598.97 : x
  2. Step 2: Convert to fraction form
    180,008.48/248,225.63 = 154,598.97/x
  3. Step 3: Cross multiply
    180,008.48x = 248,225.63 × 154,598.97
  4. Step 4: Simplify right side
    180,008.48x = 38,375,425,952.61
  5. Step 5: Solve for x
    x = 38,375,425,952.61/180,008.48
  6. Step 6: Final answer
    x = 213,186.77

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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.