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Finding the Fourth Proportional to 152,454.47, 210,384.36 and 84,471.19

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Solution

The fourth proportional to 152,454.47, 210,384.36 and 84,471.19 is: 116,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,454.47 : 210,384.36 = 84,471.19 : x
  2. Step 2: Convert to fraction form
    152,454.47/210,384.36 = 84,471.19/x
  3. Step 3: Cross multiply
    152,454.47x = 210,384.36 × 84,471.19
  4. Step 4: Simplify right side
    152,454.47x = 17,771,416,720.63
  5. Step 5: Solve for x
    x = 17,771,416,720.63/152,454.47
  6. Step 6: Final answer
    x = 116,568.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.