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Finding the Fourth Proportional to 552,167.40, 828,137.70 and 152,707.80

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Solution

The fourth proportional to 552,167.40, 828,137.70 and 152,707.80 is: 229,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,167.40 : 828,137.70 = 152,707.80 : x
  2. Step 2: Convert to fraction form
    552,167.40/828,137.70 = 152,707.80/x
  3. Step 3: Cross multiply
    552,167.40x = 828,137.70 × 152,707.80
  4. Step 4: Simplify right side
    552,167.40x = 126,463,086,264.06
  5. Step 5: Solve for x
    x = 126,463,086,264.06/552,167.40
  6. Step 6: Final answer
    x = 229,030.34

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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.