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Finding the Fourth Proportional to 176,208.99, 243,109.22 and 112,584.03

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Solution

The fourth proportional to 176,208.99, 243,109.22 and 112,584.03 is: 155,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,208.99 : 243,109.22 = 112,584.03 : x
  2. Step 2: Convert to fraction form
    176,208.99/243,109.22 = 112,584.03/x
  3. Step 3: Cross multiply
    176,208.99x = 243,109.22 × 112,584.03
  4. Step 4: Simplify right side
    176,208.99x = 27,370,215,154.84
  5. Step 5: Solve for x
    x = 27,370,215,154.84/176,208.99
  6. Step 6: Final answer
    x = 155,328.14

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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.