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Finding the Fourth Proportional to 259,987.94, 358,750.37 and 152,518.76

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Solution

The fourth proportional to 259,987.94, 358,750.37 and 152,518.76 is: 210,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,987.94 : 358,750.37 = 152,518.76 : x
  2. Step 2: Convert to fraction form
    259,987.94/358,750.37 = 152,518.76/x
  3. Step 3: Cross multiply
    259,987.94x = 358,750.37 × 152,518.76
  4. Step 4: Simplify right side
    259,987.94x = 54,716,162,674.85
  5. Step 5: Solve for x
    x = 54,716,162,674.85/259,987.94
  6. Step 6: Final answer
    x = 210,456.54

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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.