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Finding the Fourth Proportional to 191,360.58, 287,055.54 and 58,252.20

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Solution

The fourth proportional to 191,360.58, 287,055.54 and 58,252.20 is: 87,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,360.58 : 287,055.54 = 58,252.20 : x
  2. Step 2: Convert to fraction form
    191,360.58/287,055.54 = 58,252.20/x
  3. Step 3: Cross multiply
    191,360.58x = 287,055.54 × 58,252.20
  4. Step 4: Simplify right side
    191,360.58x = 16,721,616,727.19
  5. Step 5: Solve for x
    x = 16,721,616,727.19/191,360.58
  6. Step 6: Final answer
    x = 87,382.77

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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.