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Finding the Fourth Proportional to 153,021.58, 211,200.01 and 97,795.58

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Solution

The fourth proportional to 153,021.58, 211,200.01 and 97,795.58 is: 134,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,021.58 : 211,200.01 = 97,795.58 : x
  2. Step 2: Convert to fraction form
    153,021.58/211,200.01 = 97,795.58/x
  3. Step 3: Cross multiply
    153,021.58x = 211,200.01 × 97,795.58
  4. Step 4: Simplify right side
    153,021.58x = 20,654,426,173.47
  5. Step 5: Solve for x
    x = 20,654,426,173.47/153,021.58
  6. Step 6: Final answer
    x = 134,977.21

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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.