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Finding the Fourth Proportional to 82,852.92, 114,300.65 and 55,985.63

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Solution

The fourth proportional to 82,852.92, 114,300.65 and 55,985.63 is: 77,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,852.92 : 114,300.65 = 55,985.63 : x
  2. Step 2: Convert to fraction form
    82,852.92/114,300.65 = 55,985.63/x
  3. Step 3: Cross multiply
    82,852.92x = 114,300.65 × 55,985.63
  4. Step 4: Simplify right side
    82,852.92x = 6,399,193,048.23
  5. Step 5: Solve for x
    x = 6,399,193,048.23/82,852.92
  6. Step 6: Final answer
    x = 77,235.58

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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.