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Finding the Fourth Proportional to 92,698.63, 127,923.33 and 52,420.30

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Solution

The fourth proportional to 92,698.63, 127,923.33 and 52,420.30 is: 72,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,698.63 : 127,923.33 = 52,420.30 : x
  2. Step 2: Convert to fraction form
    92,698.63/127,923.33 = 52,420.30/x
  3. Step 3: Cross multiply
    92,698.63x = 127,923.33 × 52,420.30
  4. Step 4: Simplify right side
    92,698.63x = 6,705,779,212.37
  5. Step 5: Solve for x
    x = 6,705,779,212.37/92,698.63
  6. Step 6: Final answer
    x = 72,339.57

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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.