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Finding the Fourth Proportional to 191,267, 286,946.58 and 59,939

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Solution

The fourth proportional to 191,267, 286,946.58 and 59,939 is: 89,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,267 : 286,946.58 = 59,939 : x
  2. Step 2: Convert to fraction form
    191,267/286,946.58 = 59,939/x
  3. Step 3: Cross multiply
    191,267x = 286,946.58 × 59,939
  4. Step 4: Simplify right side
    191,267x = 17,199,291,058.62
  5. Step 5: Solve for x
    x = 17,199,291,058.62/191,267
  6. Step 6: Final answer
    x = 89,922.94

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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.