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Finding the Fourth Proportional to 207,604.32, 286,493.95 and 112,111.01

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Solution

The fourth proportional to 207,604.32, 286,493.95 and 112,111.01 is: 154,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,604.32 : 286,493.95 = 112,111.01 : x
  2. Step 2: Convert to fraction form
    207,604.32/286,493.95 = 112,111.01/x
  3. Step 3: Cross multiply
    207,604.32x = 286,493.95 × 112,111.01
  4. Step 4: Simplify right side
    207,604.32x = 32,119,125,875.41
  5. Step 5: Solve for x
    x = 32,119,125,875.41/207,604.32
  6. Step 6: Final answer
    x = 154,713.19

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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.