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Finding the Fourth Proportional to 119,900.54, 165,526.19 and 77,483.27

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Solution

The fourth proportional to 119,900.54, 165,526.19 and 77,483.27 is: 106,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900.54 : 165,526.19 = 77,483.27 : x
  2. Step 2: Convert to fraction form
    119,900.54/165,526.19 = 77,483.27/x
  3. Step 3: Cross multiply
    119,900.54x = 165,526.19 × 77,483.27
  4. Step 4: Simplify right side
    119,900.54x = 12,825,509,256.79
  5. Step 5: Solve for x
    x = 12,825,509,256.79/119,900.54
  6. Step 6: Final answer
    x = 106,967.91

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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.