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Finding the Fourth Proportional to 155,280.60, 232,920.90 and 105,088.95

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Solution

The fourth proportional to 155,280.60, 232,920.90 and 105,088.95 is: 157,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280.60 : 232,920.90 = 105,088.95 : x
  2. Step 2: Convert to fraction form
    155,280.60/232,920.90 = 105,088.95/x
  3. Step 3: Cross multiply
    155,280.60x = 232,920.90 × 105,088.95
  4. Step 4: Simplify right side
    155,280.60x = 24,477,412,814.06
  5. Step 5: Solve for x
    x = 24,477,412,814.06/155,280.60
  6. Step 6: Final answer
    x = 157,633.43

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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.