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Finding the Fourth Proportional to 116,572.83, 174,008.19 and 100,039.11

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Solution

The fourth proportional to 116,572.83, 174,008.19 and 100,039.11 is: 149,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,572.83 : 174,008.19 = 100,039.11 : x
  2. Step 2: Convert to fraction form
    116,572.83/174,008.19 = 100,039.11/x
  3. Step 3: Cross multiply
    116,572.83x = 174,008.19 × 100,039.11
  4. Step 4: Simplify right side
    116,572.83x = 17,407,624,460.31
  5. Step 5: Solve for x
    x = 17,407,624,460.31/116,572.83
  6. Step 6: Final answer
    x = 149,328.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.