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Finding the Fourth Proportional to 152,305.50, 210,152.43 and 98,583.06

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Solution

The fourth proportional to 152,305.50, 210,152.43 and 98,583.06 is: 136,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,305.50 : 210,152.43 = 98,583.06 : x
  2. Step 2: Convert to fraction form
    152,305.50/210,152.43 = 98,583.06/x
  3. Step 3: Cross multiply
    152,305.50x = 210,152.43 × 98,583.06
  4. Step 4: Simplify right side
    152,305.50x = 20,717,469,615.84
  5. Step 5: Solve for x
    x = 20,717,469,615.84/152,305.50
  6. Step 6: Final answer
    x = 136,025.75

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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.