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Finding the Fourth Proportional to 191,477.50, 287,258.92 and 58,368.11

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Solution

The fourth proportional to 191,477.50, 287,258.92 and 58,368.11 is: 87,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,477.50 : 287,258.92 = 58,368.11 : x
  2. Step 2: Convert to fraction form
    191,477.50/287,258.92 = 58,368.11/x
  3. Step 3: Cross multiply
    191,477.50x = 287,258.92 × 58,368.11
  4. Step 4: Simplify right side
    191,477.50x = 16,766,758,658.83
  5. Step 5: Solve for x
    x = 16,766,758,658.83/191,477.50
  6. Step 6: Final answer
    x = 87,565.16

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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.