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Finding the Fourth Proportional to 113,005.59, 169,563.47 and 46,465.71

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Solution

The fourth proportional to 113,005.59, 169,563.47 and 46,465.71 is: 69,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,005.59 : 169,563.47 = 46,465.71 : x
  2. Step 2: Convert to fraction form
    113,005.59/169,563.47 = 46,465.71/x
  3. Step 3: Cross multiply
    113,005.59x = 169,563.47 × 46,465.71
  4. Step 4: Simplify right side
    113,005.59x = 7,878,886,791.29
  5. Step 5: Solve for x
    x = 7,878,886,791.29/113,005.59
  6. Step 6: Final answer
    x = 69,721.21

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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.