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Finding the Fourth Proportional to 107,299.55, 148,070.49 and 58,901.51

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Solution

The fourth proportional to 107,299.55, 148,070.49 and 58,901.51 is: 81,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,299.55 : 148,070.49 = 58,901.51 : x
  2. Step 2: Convert to fraction form
    107,299.55/148,070.49 = 58,901.51/x
  3. Step 3: Cross multiply
    107,299.55x = 148,070.49 × 58,901.51
  4. Step 4: Simplify right side
    107,299.55x = 8,721,575,447.44
  5. Step 5: Solve for x
    x = 8,721,575,447.44/107,299.55
  6. Step 6: Final answer
    x = 81,282.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.