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Finding the Fourth Proportional to 223,184.10, 308,047.62 and 127,746.12

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Solution

The fourth proportional to 223,184.10, 308,047.62 and 127,746.12 is: 176,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,184.10 : 308,047.62 = 127,746.12 : x
  2. Step 2: Convert to fraction form
    223,184.10/308,047.62 = 127,746.12/x
  3. Step 3: Cross multiply
    223,184.10x = 308,047.62 × 127,746.12
  4. Step 4: Simplify right side
    223,184.10x = 39,351,888,230.23
  5. Step 5: Solve for x
    x = 39,351,888,230.23/223,184.10
  6. Step 6: Final answer
    x = 176,320.30

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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.