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Finding the Fourth Proportional to 161,980.16, 242,970.24 and 83,044.04

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Solution

The fourth proportional to 161,980.16, 242,970.24 and 83,044.04 is: 124,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,980.16 : 242,970.24 = 83,044.04 : x
  2. Step 2: Convert to fraction form
    161,980.16/242,970.24 = 83,044.04/x
  3. Step 3: Cross multiply
    161,980.16x = 242,970.24 × 83,044.04
  4. Step 4: Simplify right side
    161,980.16x = 20,177,230,329.37
  5. Step 5: Solve for x
    x = 20,177,230,329.37/161,980.16
  6. Step 6: Final answer
    x = 124,566.06

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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.