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Finding the Fourth Proportional to 86,833.99, 119,854.48 and 51,035.50

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Solution

The fourth proportional to 86,833.99, 119,854.48 and 51,035.50 is: 70,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,833.99 : 119,854.48 = 51,035.50 : x
  2. Step 2: Convert to fraction form
    86,833.99/119,854.48 = 51,035.50/x
  3. Step 3: Cross multiply
    86,833.99x = 119,854.48 × 51,035.50
  4. Step 4: Simplify right side
    86,833.99x = 6,116,832,886.82
  5. Step 5: Solve for x
    x = 6,116,832,886.82/86,833.99
  6. Step 6: Final answer
    x = 70,442.84

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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.