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Finding the Fourth Proportional to 99,095.37, 148,684.74 and 61,686.73

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Solution

The fourth proportional to 99,095.37, 148,684.74 and 61,686.73 is: 92,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,095.37 : 148,684.74 = 61,686.73 : x
  2. Step 2: Convert to fraction form
    99,095.37/148,684.74 = 61,686.73/x
  3. Step 3: Cross multiply
    99,095.37x = 148,684.74 × 61,686.73
  4. Step 4: Simplify right side
    99,095.37x = 9,171,875,411.50
  5. Step 5: Solve for x
    x = 9,171,875,411.50/99,095.37
  6. Step 6: Final answer
    x = 92,556.04

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1.5x scale

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.