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Finding the Fourth Proportional to 152,897.46, 211,005.51 and 84,914.73

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Solution

The fourth proportional to 152,897.46, 211,005.51 and 84,914.73 is: 117,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,897.46 : 211,005.51 = 84,914.73 : x
  2. Step 2: Convert to fraction form
    152,897.46/211,005.51 = 84,914.73/x
  3. Step 3: Cross multiply
    152,897.46x = 211,005.51 × 84,914.73
  4. Step 4: Simplify right side
    152,897.46x = 17,917,475,591.73
  5. Step 5: Solve for x
    x = 17,917,475,591.73/152,897.46
  6. Step 6: Final answer
    x = 117,186.22

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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.