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Finding the Fourth Proportional to 191,159.95, 286,721.37 and 58,041.36

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Solution

The fourth proportional to 191,159.95, 286,721.37 and 58,041.36 is: 87,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,159.95 : 286,721.37 = 58,041.36 : x
  2. Step 2: Convert to fraction form
    191,159.95/286,721.37 = 58,041.36/x
  3. Step 3: Cross multiply
    191,159.95x = 286,721.37 × 58,041.36
  4. Step 4: Simplify right side
    191,159.95x = 16,641,698,255.86
  5. Step 5: Solve for x
    x = 16,641,698,255.86/191,159.95
  6. Step 6: Final answer
    x = 87,056.41

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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.