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Finding the Fourth Proportional to 152,456.80, 228,944.40 and 113,058.40

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Solution

The fourth proportional to 152,456.80, 228,944.40 and 113,058.40 is: 169,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,456.80 : 228,944.40 = 113,058.40 : x
  2. Step 2: Convert to fraction form
    152,456.80/228,944.40 = 113,058.40/x
  3. Step 3: Cross multiply
    152,456.80x = 228,944.40 × 113,058.40
  4. Step 4: Simplify right side
    152,456.80x = 25,884,087,552.96
  5. Step 5: Solve for x
    x = 25,884,087,552.96/152,456.80
  6. Step 6: Final answer
    x = 169,779.82

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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.