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Finding the Fourth Proportional to 107,130.67, 147,824.80 and 59,384.01

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Solution

The fourth proportional to 107,130.67, 147,824.80 and 59,384.01 is: 81,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.67 : 147,824.80 = 59,384.01 : x
  2. Step 2: Convert to fraction form
    107,130.67/147,824.80 = 59,384.01/x
  3. Step 3: Cross multiply
    107,130.67x = 147,824.80 × 59,384.01
  4. Step 4: Simplify right side
    107,130.67x = 8,778,429,401.45
  5. Step 5: Solve for x
    x = 8,778,429,401.45/107,130.67
  6. Step 6: Final answer
    x = 81,941.33

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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.