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Finding the Fourth Proportional to 245,537.93, 338,888.90 and 153,699.93

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Solution

The fourth proportional to 245,537.93, 338,888.90 and 153,699.93 is: 212,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,537.93 : 338,888.90 = 153,699.93 : x
  2. Step 2: Convert to fraction form
    245,537.93/338,888.90 = 153,699.93/x
  3. Step 3: Cross multiply
    245,537.93x = 338,888.90 × 153,699.93
  4. Step 4: Simplify right side
    245,537.93x = 52,087,200,207.78
  5. Step 5: Solve for x
    x = 52,087,200,207.78/245,537.93
  6. Step 6: Final answer
    x = 212,135.05

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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.