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Finding the Fourth Proportional to 242,000.81, 333,969.22 and 133,109.75

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Solution

The fourth proportional to 242,000.81, 333,969.22 and 133,109.75 is: 183,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,000.81 : 333,969.22 = 133,109.75 : x
  2. Step 2: Convert to fraction form
    242,000.81/333,969.22 = 133,109.75/x
  3. Step 3: Cross multiply
    242,000.81x = 333,969.22 × 133,109.75
  4. Step 4: Simplify right side
    242,000.81x = 44,454,559,381.90
  5. Step 5: Solve for x
    x = 44,454,559,381.90/242,000.81
  6. Step 6: Final answer
    x = 183,695.91

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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.