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Finding the Fourth Proportional to 99,228.46, 148,866.99 and 49,332.07

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Solution

The fourth proportional to 99,228.46, 148,866.99 and 49,332.07 is: 74,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,228.46 : 148,866.99 = 49,332.07 : x
  2. Step 2: Convert to fraction form
    99,228.46/148,866.99 = 49,332.07/x
  3. Step 3: Cross multiply
    99,228.46x = 148,866.99 × 49,332.07
  4. Step 4: Simplify right side
    99,228.46x = 7,343,916,771.37
  5. Step 5: Solve for x
    x = 7,343,916,771.37/99,228.46
  6. Step 6: Final answer
    x = 74,010.19

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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.