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Finding the Fourth Proportional to 152,955.86, 211,020.14 and 112,765.18

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Solution

The fourth proportional to 152,955.86, 211,020.14 and 112,765.18 is: 155,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955.86 : 211,020.14 = 112,765.18 : x
  2. Step 2: Convert to fraction form
    152,955.86/211,020.14 = 112,765.18/x
  3. Step 3: Cross multiply
    152,955.86x = 211,020.14 × 112,765.18
  4. Step 4: Simplify right side
    152,955.86x = 23,795,724,070.73
  5. Step 5: Solve for x
    x = 23,795,724,070.73/152,955.86
  6. Step 6: Final answer
    x = 155,572.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.