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Finding the Fourth Proportional to 223,714.64, 308,730.30 and 123,110.48

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Solution

The fourth proportional to 223,714.64, 308,730.30 and 123,110.48 is: 169,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,714.64 : 308,730.30 = 123,110.48 : x
  2. Step 2: Convert to fraction form
    223,714.64/308,730.30 = 123,110.48/x
  3. Step 3: Cross multiply
    223,714.64x = 308,730.30 × 123,110.48
  4. Step 4: Simplify right side
    223,714.64x = 38,007,935,733.71
  5. Step 5: Solve for x
    x = 38,007,935,733.71/223,714.64
  6. Step 6: Final answer
    x = 169,894.72

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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.