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Finding the Fourth Proportional to 155,048.64, 232,597.32 and 66,302.64

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Solution

The fourth proportional to 155,048.64, 232,597.32 and 66,302.64 is: 99,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,048.64 : 232,597.32 = 66,302.64 : x
  2. Step 2: Convert to fraction form
    155,048.64/232,597.32 = 66,302.64/x
  3. Step 3: Cross multiply
    155,048.64x = 232,597.32 × 66,302.64
  4. Step 4: Simplify right side
    155,048.64x = 15,421,816,372.92
  5. Step 5: Solve for x
    x = 15,421,816,372.92/155,048.64
  6. Step 6: Final answer
    x = 99,464.38

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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.