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Finding the Fourth Proportional to 113,017.59, 169,581.47 and 46,477.71

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Solution

The fourth proportional to 113,017.59, 169,581.47 and 46,477.71 is: 69,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,017.59 : 169,581.47 = 46,477.71 : x
  2. Step 2: Convert to fraction form
    113,017.59/169,581.47 = 46,477.71/x
  3. Step 3: Cross multiply
    113,017.59x = 169,581.47 × 46,477.71
  4. Step 4: Simplify right side
    113,017.59x = 7,881,758,151.65
  5. Step 5: Solve for x
    x = 7,881,758,151.65/113,017.59
  6. Step 6: Final answer
    x = 69,739.22

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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.