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Finding the Fourth Proportional to 170,706.86, 256,088.10 and 64,099.06

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Solution

The fourth proportional to 170,706.86, 256,088.10 and 64,099.06 is: 96,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,706.86 : 256,088.10 = 64,099.06 : x
  2. Step 2: Convert to fraction form
    170,706.86/256,088.10 = 64,099.06/x
  3. Step 3: Cross multiply
    170,706.86x = 256,088.10 × 64,099.06
  4. Step 4: Simplify right side
    170,706.86x = 16,415,007,167.28
  5. Step 5: Solve for x
    x = 16,415,007,167.28/170,706.86
  6. Step 6: Final answer
    x = 96,159.04

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1.5x scale

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.