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Finding the Fourth Proportional to 169,290.94, 233,575.23 and 105,638.98

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Solution

The fourth proportional to 169,290.94, 233,575.23 and 105,638.98 is: 145,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,290.94 : 233,575.23 = 105,638.98 : x
  2. Step 2: Convert to fraction form
    169,290.94/233,575.23 = 105,638.98/x
  3. Step 3: Cross multiply
    169,290.94x = 233,575.23 × 105,638.98
  4. Step 4: Simplify right side
    169,290.94x = 24,674,649,050.47
  5. Step 5: Solve for x
    x = 24,674,649,050.47/169,290.94
  6. Step 6: Final answer
    x = 145,752.92

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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.