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Finding the Fourth Proportional to 164,123.01, 245,970.68 and 74,098.80

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Solution

The fourth proportional to 164,123.01, 245,970.68 and 74,098.80 is: 111,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,123.01 : 245,970.68 = 74,098.80 : x
  2. Step 2: Convert to fraction form
    164,123.01/245,970.68 = 74,098.80/x
  3. Step 3: Cross multiply
    164,123.01x = 245,970.68 × 74,098.80
  4. Step 4: Simplify right side
    164,123.01x = 18,226,131,852.69
  5. Step 5: Solve for x
    x = 18,226,131,852.69/164,123.01
  6. Step 6: Final answer
    x = 111,051.65

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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.