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Finding the Fourth Proportional to 99,237.83, 148,875.11 and 46,647.31

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Solution

The fourth proportional to 99,237.83, 148,875.11 and 46,647.31 is: 69,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,237.83 : 148,875.11 = 46,647.31 : x
  2. Step 2: Convert to fraction form
    99,237.83/148,875.11 = 46,647.31/x
  3. Step 3: Cross multiply
    99,237.83x = 148,875.11 × 46,647.31
  4. Step 4: Simplify right side
    99,237.83x = 6,944,623,518.49
  5. Step 5: Solve for x
    x = 6,944,623,518.49/99,237.83
  6. Step 6: Final answer
    x = 69,979.60

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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.