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Finding the Fourth Proportional to 122,547.24, 183,978.28 and 94,485.12

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Solution

The fourth proportional to 122,547.24, 183,978.28 and 94,485.12 is: 141,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,547.24 : 183,978.28 = 94,485.12 : x
  2. Step 2: Convert to fraction form
    122,547.24/183,978.28 = 94,485.12/x
  3. Step 3: Cross multiply
    122,547.24x = 183,978.28 × 94,485.12
  4. Step 4: Simplify right side
    122,547.24x = 17,383,209,626.98
  5. Step 5: Solve for x
    x = 17,383,209,626.98/122,547.24
  6. Step 6: Final answer
    x = 141,849.05

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1.5x scale

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.