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Finding the Fourth Proportional to 260,607.16, 359,607.54 and 145,892.08

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Solution

The fourth proportional to 260,607.16, 359,607.54 and 145,892.08 is: 201,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,607.16 : 359,607.54 = 145,892.08 : x
  2. Step 2: Convert to fraction form
    260,607.16/359,607.54 = 145,892.08/x
  3. Step 3: Cross multiply
    260,607.16x = 359,607.54 × 145,892.08
  4. Step 4: Simplify right side
    260,607.16x = 52,463,891,994.28
  5. Step 5: Solve for x
    x = 52,463,891,994.28/260,607.16
  6. Step 6: Final answer
    x = 201,314.09

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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.