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Finding the Fourth Proportional to 99,218.64, 148,484.73 and 61,252.32

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Solution

The fourth proportional to 99,218.64, 148,484.73 and 61,252.32 is: 91,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,218.64 : 148,484.73 = 61,252.32 : x
  2. Step 2: Convert to fraction form
    99,218.64/148,484.73 = 61,252.32/x
  3. Step 3: Cross multiply
    99,218.64x = 148,484.73 × 61,252.32
  4. Step 4: Simplify right side
    99,218.64x = 9,095,034,197.07
  5. Step 5: Solve for x
    x = 9,095,034,197.07/99,218.64
  6. Step 6: Final answer
    x = 91,666.59

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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.