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Finding the Fourth Proportional to 192,159.84, 286,978.20 and 163,777.44

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Solution

The fourth proportional to 192,159.84, 286,978.20 and 163,777.44 is: 244,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,159.84 : 286,978.20 = 163,777.44 : x
  2. Step 2: Convert to fraction form
    192,159.84/286,978.20 = 163,777.44/x
  3. Step 3: Cross multiply
    192,159.84x = 286,978.20 × 163,777.44
  4. Step 4: Simplify right side
    192,159.84x = 47,000,554,931.81
  5. Step 5: Solve for x
    x = 47,000,554,931.81/192,159.84
  6. Step 6: Final answer
    x = 244,590.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.