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Finding the Fourth Proportional to 112,804, 169,208.72 and 37,925.12

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Solution

The fourth proportional to 112,804, 169,208.72 and 37,925.12 is: 56,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,804 : 169,208.72 = 37,925.12 : x
  2. Step 2: Convert to fraction form
    112,804/169,208.72 = 37,925.12/x
  3. Step 3: Cross multiply
    112,804x = 169,208.72 × 37,925.12
  4. Step 4: Simplify right side
    112,804x = 6,417,261,011.05
  5. Step 5: Solve for x
    x = 6,417,261,011.05/112,804
  6. Step 6: Final answer
    x = 56,888.59

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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.