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Finding the Fourth Proportional to 169,643.40, 237,811.80 and 169,643.40

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Solution

The fourth proportional to 169,643.40, 237,811.80 and 169,643.40 is: 237,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,643.40 : 237,811.80 = 169,643.40 : x
  2. Step 2: Convert to fraction form
    169,643.40/237,811.80 = 169,643.40/x
  3. Step 3: Cross multiply
    169,643.40x = 237,811.80 × 169,643.40
  4. Step 4: Simplify right side
    169,643.40x = 40,343,202,312.12
  5. Step 5: Solve for x
    x = 40,343,202,312.12/169,643.40
  6. Step 6: Final answer
    x = 237,811.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.