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Finding the Fourth Proportional to 92,875.66, 128,169.90 and 52,588.35

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Solution

The fourth proportional to 92,875.66, 128,169.90 and 52,588.35 is: 72,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,875.66 : 128,169.90 = 52,588.35 : x
  2. Step 2: Convert to fraction form
    92,875.66/128,169.90 = 52,588.35/x
  3. Step 3: Cross multiply
    92,875.66x = 128,169.90 × 52,588.35
  4. Step 4: Simplify right side
    92,875.66x = 6,740,243,560.67
  5. Step 5: Solve for x
    x = 6,740,243,560.67/92,875.66
  6. Step 6: Final answer
    x = 72,572.77

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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.