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Finding the Fourth Proportional to 113,368.39, 170,129.04 and 46,807

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Solution

The fourth proportional to 113,368.39, 170,129.04 and 46,807 is: 70,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368.39 : 170,129.04 = 46,807 : x
  2. Step 2: Convert to fraction form
    113,368.39/170,129.04 = 46,807/x
  3. Step 3: Cross multiply
    113,368.39x = 170,129.04 × 46,807
  4. Step 4: Simplify right side
    113,368.39x = 7,963,229,975.28
  5. Step 5: Solve for x
    x = 7,963,229,975.28/113,368.39
  6. Step 6: Final answer
    x = 70,242.07

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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.