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Finding the Fourth Proportional to 148,323.69, 222,485.54 and 86,037.93

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Solution

The fourth proportional to 148,323.69, 222,485.54 and 86,037.93 is: 129,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,323.69 : 222,485.54 = 86,037.93 : x
  2. Step 2: Convert to fraction form
    148,323.69/222,485.54 = 86,037.93/x
  3. Step 3: Cross multiply
    148,323.69x = 222,485.54 × 86,037.93
  4. Step 4: Simplify right side
    148,323.69x = 19,142,194,886.34
  5. Step 5: Solve for x
    x = 19,142,194,886.34/148,323.69
  6. Step 6: Final answer
    x = 129,056.90

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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.