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Finding the Fourth Proportional to 169,169.40, 233,437.50 and 101,172.60

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Solution

The fourth proportional to 169,169.40, 233,437.50 and 101,172.60 is: 139,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,169.40 : 233,437.50 = 101,172.60 : x
  2. Step 2: Convert to fraction form
    169,169.40/233,437.50 = 101,172.60/x
  3. Step 3: Cross multiply
    169,169.40x = 233,437.50 × 101,172.60
  4. Step 4: Simplify right side
    169,169.40x = 23,617,478,812.50
  5. Step 5: Solve for x
    x = 23,617,478,812.50/169,169.40
  6. Step 6: Final answer
    x = 139,608.46

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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.