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Finding the Fourth Proportional to 237,715.20, 356,774.40 and 97,574.40

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Solution

The fourth proportional to 237,715.20, 356,774.40 and 97,574.40 is: 146,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,715.20 : 356,774.40 = 97,574.40 : x
  2. Step 2: Convert to fraction form
    237,715.20/356,774.40 = 97,574.40/x
  3. Step 3: Cross multiply
    237,715.20x = 356,774.40 × 97,574.40
  4. Step 4: Simplify right side
    237,715.20x = 34,812,048,015.36
  5. Step 5: Solve for x
    x = 34,812,048,015.36/237,715.20
  6. Step 6: Final answer
    x = 146,444.35

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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.