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Finding the Fourth Proportional to 85,173.68, 127,827.48 and 59,062.16

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Solution

The fourth proportional to 85,173.68, 127,827.48 and 59,062.16 is: 88,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,173.68 : 127,827.48 = 59,062.16 : x
  2. Step 2: Convert to fraction form
    85,173.68/127,827.48 = 59,062.16/x
  3. Step 3: Cross multiply
    85,173.68x = 127,827.48 × 59,062.16
  4. Step 4: Simplify right side
    85,173.68x = 7,549,767,076.16
  5. Step 5: Solve for x
    x = 7,549,767,076.16/85,173.68
  6. Step 6: Final answer
    x = 88,639.67

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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.