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Finding the Fourth Proportional to 155,532.90, 233,299.35 and 152,940.90

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Solution

The fourth proportional to 155,532.90, 233,299.35 and 152,940.90 is: 229,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,532.90 : 233,299.35 = 152,940.90 : x
  2. Step 2: Convert to fraction form
    155,532.90/233,299.35 = 152,940.90/x
  3. Step 3: Cross multiply
    155,532.90x = 233,299.35 × 152,940.90
  4. Step 4: Simplify right side
    155,532.90x = 35,681,012,558.42
  5. Step 5: Solve for x
    x = 35,681,012,558.42/155,532.90
  6. Step 6: Final answer
    x = 229,411.35

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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.