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Finding the Fourth Proportional to 81,265.77, 112,159.01 and 46,804.11

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Solution

The fourth proportional to 81,265.77, 112,159.01 and 46,804.11 is: 64,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,265.77 : 112,159.01 = 46,804.11 : x
  2. Step 2: Convert to fraction form
    81,265.77/112,159.01 = 46,804.11/x
  3. Step 3: Cross multiply
    81,265.77x = 112,159.01 × 46,804.11
  4. Step 4: Simplify right side
    81,265.77x = 5,249,502,641.53
  5. Step 5: Solve for x
    x = 5,249,502,641.53/81,265.77
  6. Step 6: Final answer
    x = 64,596.73

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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.