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Finding the Fourth Proportional to 171,681.60, 257,522.40 and 162,058.80

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Solution

The fourth proportional to 171,681.60, 257,522.40 and 162,058.80 is: 243,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,681.60 : 257,522.40 = 162,058.80 : x
  2. Step 2: Convert to fraction form
    171,681.60/257,522.40 = 162,058.80/x
  3. Step 3: Cross multiply
    171,681.60x = 257,522.40 × 162,058.80
  4. Step 4: Simplify right side
    171,681.60x = 41,733,771,117.12
  5. Step 5: Solve for x
    x = 41,733,771,117.12/171,681.60
  6. Step 6: Final answer
    x = 243,088.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.