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Finding the Fourth Proportional to 92,877.87, 128,172.83 and 52,590.50

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Solution

The fourth proportional to 92,877.87, 128,172.83 and 52,590.50 is: 72,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.87 : 128,172.83 = 52,590.50 : x
  2. Step 2: Convert to fraction form
    92,877.87/128,172.83 = 52,590.50/x
  3. Step 3: Cross multiply
    92,877.87x = 128,172.83 × 52,590.50
  4. Step 4: Simplify right side
    92,877.87x = 6,740,672,312.30
  5. Step 5: Solve for x
    x = 6,740,672,312.30/92,877.87
  6. Step 6: Final answer
    x = 72,575.66

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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.