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Finding the Fourth Proportional to 88,702.92, 122,409.18 and 48,416.94

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Solution

The fourth proportional to 88,702.92, 122,409.18 and 48,416.94 is: 66,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,702.92 : 122,409.18 = 48,416.94 : x
  2. Step 2: Convert to fraction form
    88,702.92/122,409.18 = 48,416.94/x
  3. Step 3: Cross multiply
    88,702.92x = 122,409.18 × 48,416.94
  4. Step 4: Simplify right side
    88,702.92x = 5,926,677,923.51
  5. Step 5: Solve for x
    x = 5,926,677,923.51/88,702.92
  6. Step 6: Final answer
    x = 66,814.91

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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.