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Finding the Fourth Proportional to 170,178, 255,269.16 and 59,370

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Solution

The fourth proportional to 170,178, 255,269.16 and 59,370 is: 89,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,178 : 255,269.16 = 59,370 : x
  2. Step 2: Convert to fraction form
    170,178/255,269.16 = 59,370/x
  3. Step 3: Cross multiply
    170,178x = 255,269.16 × 59,370
  4. Step 4: Simplify right side
    170,178x = 15,155,330,029.20
  5. Step 5: Solve for x
    x = 15,155,330,029.20/170,178
  6. Step 6: Final answer
    x = 89,055.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.