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Finding the Fourth Proportional to 265,151.07, 365,908.53 and 145,919.07

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Solution

The fourth proportional to 265,151.07, 365,908.53 and 145,919.07 is: 201,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,151.07 : 365,908.53 = 145,919.07 : x
  2. Step 2: Convert to fraction form
    265,151.07/365,908.53 = 145,919.07/x
  3. Step 3: Cross multiply
    265,151.07x = 365,908.53 × 145,919.07
  4. Step 4: Simplify right side
    265,151.07x = 53,393,032,402.67
  5. Step 5: Solve for x
    x = 53,393,032,402.67/265,151.07
  6. Step 6: Final answer
    x = 201,368.35

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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.