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Finding the Fourth Proportional to 245,536.93, 338,887.52 and 153,698.93

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Solution

The fourth proportional to 245,536.93, 338,887.52 and 153,698.93 is: 212,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,536.93 : 338,887.52 = 153,698.93 : x
  2. Step 2: Convert to fraction form
    245,536.93/338,887.52 = 153,698.93/x
  3. Step 3: Cross multiply
    245,536.93x = 338,887.52 × 153,698.93
  4. Step 4: Simplify right side
    245,536.93x = 52,086,649,214.35
  5. Step 5: Solve for x
    x = 52,086,649,214.35/245,536.93
  6. Step 6: Final answer
    x = 212,133.67

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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.