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Finding the Fourth Proportional to 237,577.40, 356,290.65 and 77,616.88

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Solution

The fourth proportional to 237,577.40, 356,290.65 and 77,616.88 is: 116,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,577.40 : 356,290.65 = 77,616.88 : x
  2. Step 2: Convert to fraction form
    237,577.40/356,290.65 = 77,616.88/x
  3. Step 3: Cross multiply
    237,577.40x = 356,290.65 × 77,616.88
  4. Step 4: Simplify right side
    237,577.40x = 27,654,168,403.49
  5. Step 5: Solve for x
    x = 27,654,168,403.49/237,577.40
  6. Step 6: Final answer
    x = 116,400.67

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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.