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Finding the Fourth Proportional to 157,666.40, 236,499.60 and 155,592.80

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Solution

The fourth proportional to 157,666.40, 236,499.60 and 155,592.80 is: 233,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,666.40 : 236,499.60 = 155,592.80 : x
  2. Step 2: Convert to fraction form
    157,666.40/236,499.60 = 155,592.80/x
  3. Step 3: Cross multiply
    157,666.40x = 236,499.60 × 155,592.80
  4. Step 4: Simplify right side
    157,666.40x = 36,797,634,962.88
  5. Step 5: Solve for x
    x = 36,797,634,962.88/157,666.40
  6. Step 6: Final answer
    x = 233,389.20

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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.