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Finding the Fourth Proportional to 153,404.01, 211,713.93 and 89,795.16

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Solution

The fourth proportional to 153,404.01, 211,713.93 and 89,795.16 is: 123,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,404.01 : 211,713.93 = 89,795.16 : x
  2. Step 2: Convert to fraction form
    153,404.01/211,713.93 = 89,795.16/x
  3. Step 3: Cross multiply
    153,404.01x = 211,713.93 × 89,795.16
  4. Step 4: Simplify right side
    153,404.01x = 19,010,886,218.58
  5. Step 5: Solve for x
    x = 19,010,886,218.58/153,404.01
  6. Step 6: Final answer
    x = 123,926.92

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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.