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Finding the Fourth Proportional to 76,173.42, 114,303.86 and 59,486.61

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Solution

The fourth proportional to 76,173.42, 114,303.86 and 59,486.61 is: 89,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173.42 : 114,303.86 = 59,486.61 : x
  2. Step 2: Convert to fraction form
    76,173.42/114,303.86 = 59,486.61/x
  3. Step 3: Cross multiply
    76,173.42x = 114,303.86 × 59,486.61
  4. Step 4: Simplify right side
    76,173.42x = 6,799,549,141.31
  5. Step 5: Solve for x
    x = 6,799,549,141.31/76,173.42
  6. Step 6: Final answer
    x = 89,264.07

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1.5x scale

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.