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Finding the Fourth Proportional to 191,873.63, 287,811.15 and 58,753.35

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Solution

The fourth proportional to 191,873.63, 287,811.15 and 58,753.35 is: 88,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,873.63 : 287,811.15 = 58,753.35 : x
  2. Step 2: Convert to fraction form
    191,873.63/287,811.15 = 58,753.35/x
  3. Step 3: Cross multiply
    191,873.63x = 287,811.15 × 58,753.35
  4. Step 4: Simplify right side
    191,873.63x = 16,909,869,009.53
  5. Step 5: Solve for x
    x = 16,909,869,009.53/191,873.63
  6. Step 6: Final answer
    x = 88,130.24

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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.