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Finding the Fourth Proportional to 124,597.90, 186,674.10 and 75,822.40

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Solution

The fourth proportional to 124,597.90, 186,674.10 and 75,822.40 is: 113,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,597.90 : 186,674.10 = 75,822.40 : x
  2. Step 2: Convert to fraction form
    124,597.90/186,674.10 = 75,822.40/x
  3. Step 3: Cross multiply
    124,597.90x = 186,674.10 × 75,822.40
  4. Step 4: Simplify right side
    124,597.90x = 14,154,078,279.84
  5. Step 5: Solve for x
    x = 14,154,078,279.84/124,597.90
  6. Step 6: Final answer
    x = 113,598.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.