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Finding the Fourth Proportional to 169,420.16, 233,802.94 and 92,943.16

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Solution

The fourth proportional to 169,420.16, 233,802.94 and 92,943.16 is: 128,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,420.16 : 233,802.94 = 92,943.16 : x
  2. Step 2: Convert to fraction form
    169,420.16/233,802.94 = 92,943.16/x
  3. Step 3: Cross multiply
    169,420.16x = 233,802.94 × 92,943.16
  4. Step 4: Simplify right side
    169,420.16x = 21,730,384,060.89
  5. Step 5: Solve for x
    x = 21,730,384,060.89/169,420.16
  6. Step 6: Final answer
    x = 128,263.27

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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.