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Finding the Fourth Proportional to 162,953.70, 244,430.55 and 57,783.30

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Solution

The fourth proportional to 162,953.70, 244,430.55 and 57,783.30 is: 86,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,953.70 : 244,430.55 = 57,783.30 : x
  2. Step 2: Convert to fraction form
    162,953.70/244,430.55 = 57,783.30/x
  3. Step 3: Cross multiply
    162,953.70x = 244,430.55 × 57,783.30
  4. Step 4: Simplify right side
    162,953.70x = 14,124,003,799.82
  5. Step 5: Solve for x
    x = 14,124,003,799.82/162,953.70
  6. Step 6: Final answer
    x = 86,674.95

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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.