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Finding the Fourth Proportional to 152,601.74, 210,592.91 and 84,621.57

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Solution

The fourth proportional to 152,601.74, 210,592.91 and 84,621.57 is: 116,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,601.74 : 210,592.91 = 84,621.57 : x
  2. Step 2: Convert to fraction form
    152,601.74/210,592.91 = 84,621.57/x
  3. Step 3: Cross multiply
    152,601.74x = 210,592.91 × 84,621.57
  4. Step 4: Simplify right side
    152,601.74x = 17,820,702,251.96
  5. Step 5: Solve for x
    x = 17,820,702,251.96/152,601.74
  6. Step 6: Final answer
    x = 116,779.16

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1.5x scale

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.