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Finding the Fourth Proportional to 170,696.94, 235,386.99 and 113,316

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Solution

The fourth proportional to 170,696.94, 235,386.99 and 113,316 is: 156,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,696.94 : 235,386.99 = 113,316 : x
  2. Step 2: Convert to fraction form
    170,696.94/235,386.99 = 113,316/x
  3. Step 3: Cross multiply
    170,696.94x = 235,386.99 × 113,316
  4. Step 4: Simplify right side
    170,696.94x = 26,673,112,158.84
  5. Step 5: Solve for x
    x = 26,673,112,158.84/170,696.94
  6. Step 6: Final answer
    x = 156,260.05

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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.