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Finding the Fourth Proportional to 169,428.44, 233,818.64 and 101,432.32

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Solution

The fourth proportional to 169,428.44, 233,818.64 and 101,432.32 is: 139,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,428.44 : 233,818.64 = 101,432.32 : x
  2. Step 2: Convert to fraction form
    169,428.44/233,818.64 = 101,432.32/x
  3. Step 3: Cross multiply
    169,428.44x = 233,818.64 × 101,432.32
  4. Step 4: Simplify right side
    169,428.44x = 23,716,767,114.44
  5. Step 5: Solve for x
    x = 23,716,767,114.44/169,428.44
  6. Step 6: Final answer
    x = 139,981.03

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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.