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Finding the Fourth Proportional to 170,148, 255,338.88 and 59,340

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Solution

The fourth proportional to 170,148, 255,338.88 and 59,340 is: 89,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,148 : 255,338.88 = 59,340 : x
  2. Step 2: Convert to fraction form
    170,148/255,338.88 = 59,340/x
  3. Step 3: Cross multiply
    170,148x = 255,338.88 × 59,340
  4. Step 4: Simplify right side
    170,148x = 15,151,809,139.20
  5. Step 5: Solve for x
    x = 15,151,809,139.20/170,148
  6. Step 6: Final answer
    x = 89,050.76

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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.