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Finding the Fourth Proportional to 169,216.90, 233,503.05 and 101,220.10

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Solution

The fourth proportional to 169,216.90, 233,503.05 and 101,220.10 is: 139,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,216.90 : 233,503.05 = 101,220.10 : x
  2. Step 2: Convert to fraction form
    169,216.90/233,503.05 = 101,220.10/x
  3. Step 3: Cross multiply
    169,216.90x = 233,503.05 × 101,220.10
  4. Step 4: Simplify right side
    169,216.90x = 23,635,202,071.31
  5. Step 5: Solve for x
    x = 23,635,202,071.31/169,216.90
  6. Step 6: Final answer
    x = 139,674.00

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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.