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Finding the Fourth Proportional to 191,175.53, 286,763.76 and 58,056.80

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Solution

The fourth proportional to 191,175.53, 286,763.76 and 58,056.80 is: 87,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,175.53 : 286,763.76 = 58,056.80 : x
  2. Step 2: Convert to fraction form
    191,175.53/286,763.76 = 58,056.80/x
  3. Step 3: Cross multiply
    191,175.53x = 286,763.76 × 58,056.80
  4. Step 4: Simplify right side
    191,175.53x = 16,648,584,827.75
  5. Step 5: Solve for x
    x = 16,648,584,827.75/191,175.53
  6. Step 6: Final answer
    x = 87,085.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.