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Finding the Fourth Proportional to 155,482.40, 233,281.20 and 149,722.40

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Solution

The fourth proportional to 155,482.40, 233,281.20 and 149,722.40 is: 224,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,482.40 : 233,281.20 = 149,722.40 : x
  2. Step 2: Convert to fraction form
    155,482.40/233,281.20 = 149,722.40/x
  3. Step 3: Cross multiply
    155,482.40x = 233,281.20 × 149,722.40
  4. Step 4: Simplify right side
    155,482.40x = 34,927,421,138.88
  5. Step 5: Solve for x
    x = 34,927,421,138.88/155,482.40
  6. Step 6: Final answer
    x = 224,639.07

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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.