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Finding the Fourth Proportional to 92,898.81, 128,196.06 and 52,612.86

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Solution

The fourth proportional to 92,898.81, 128,196.06 and 52,612.86 is: 72,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,898.81 : 128,196.06 = 52,612.86 : x
  2. Step 2: Convert to fraction form
    92,898.81/128,196.06 = 52,612.86/x
  3. Step 3: Cross multiply
    92,898.81x = 128,196.06 × 52,612.86
  4. Step 4: Simplify right side
    92,898.81x = 6,744,761,357.33
  5. Step 5: Solve for x
    x = 6,744,761,357.33/92,898.81
  6. Step 6: Final answer
    x = 72,603.31

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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.