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Finding the Fourth Proportional to 277,970.04, 416,955.06 and 67,608.12

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Solution

The fourth proportional to 277,970.04, 416,955.06 and 67,608.12 is: 101,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,970.04 : 416,955.06 = 67,608.12 : x
  2. Step 2: Convert to fraction form
    277,970.04/416,955.06 = 67,608.12/x
  3. Step 3: Cross multiply
    277,970.04x = 416,955.06 × 67,608.12
  4. Step 4: Simplify right side
    277,970.04x = 28,189,547,731.09
  5. Step 5: Solve for x
    x = 28,189,547,731.09/277,970.04
  6. Step 6: Final answer
    x = 101,412.18

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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.