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Finding the Fourth Proportional to 242,007.19, 333,978.09 and 133,116.16

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Solution

The fourth proportional to 242,007.19, 333,978.09 and 133,116.16 is: 183,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,007.19 : 333,978.09 = 133,116.16 : x
  2. Step 2: Convert to fraction form
    242,007.19/333,978.09 = 133,116.16/x
  3. Step 3: Cross multiply
    242,007.19x = 333,978.09 × 133,116.16
  4. Step 4: Simplify right side
    242,007.19x = 44,457,880,157.01
  5. Step 5: Solve for x
    x = 44,457,880,157.01/242,007.19
  6. Step 6: Final answer
    x = 183,704.79

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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.