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Finding the Fourth Proportional to 259,492.77, 358,091.90 and 152,134.31

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Solution

The fourth proportional to 259,492.77, 358,091.90 and 152,134.31 is: 209,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,492.77 : 358,091.90 = 152,134.31 : x
  2. Step 2: Convert to fraction form
    259,492.77/358,091.90 = 152,134.31/x
  3. Step 3: Cross multiply
    259,492.77x = 358,091.90 × 152,134.31
  4. Step 4: Simplify right side
    259,492.77x = 54,478,062,332.63
  5. Step 5: Solve for x
    x = 54,478,062,332.63/259,492.77
  6. Step 6: Final answer
    x = 209,940.58

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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.