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Finding the Fourth Proportional to 191,702.92, 286,927.26 and 141,088.36

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Solution

The fourth proportional to 191,702.92, 286,927.26 and 141,088.36 is: 211,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,702.92 : 286,927.26 = 141,088.36 : x
  2. Step 2: Convert to fraction form
    191,702.92/286,927.26 = 141,088.36/x
  3. Step 3: Cross multiply
    191,702.92x = 286,927.26 × 141,088.36
  4. Step 4: Simplify right side
    191,702.92x = 40,482,096,552.69
  5. Step 5: Solve for x
    x = 40,482,096,552.69/191,702.92
  6. Step 6: Final answer
    x = 211,171.00

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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.