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Finding the Fourth Proportional to 192,088.67, 288,070.70 and 63,970.83

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Solution

The fourth proportional to 192,088.67, 288,070.70 and 63,970.83 is: 95,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,088.67 : 288,070.70 = 63,970.83 : x
  2. Step 2: Convert to fraction form
    192,088.67/288,070.70 = 63,970.83/x
  3. Step 3: Cross multiply
    192,088.67x = 288,070.70 × 63,970.83
  4. Step 4: Simplify right side
    192,088.67x = 18,428,121,457.83
  5. Step 5: Solve for x
    x = 18,428,121,457.83/192,088.67
  6. Step 6: Final answer
    x = 95,935.50

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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.