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Finding the Fourth Proportional to 153,463.44, 230,134.68 and 74,554.32

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Solution

The fourth proportional to 153,463.44, 230,134.68 and 74,554.32 is: 111,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,463.44 : 230,134.68 = 74,554.32 : x
  2. Step 2: Convert to fraction form
    153,463.44/230,134.68 = 74,554.32/x
  3. Step 3: Cross multiply
    153,463.44x = 230,134.68 × 74,554.32
  4. Step 4: Simplify right side
    153,463.44x = 17,157,534,575.82
  5. Step 5: Solve for x
    x = 17,157,534,575.82/153,463.44
  6. Step 6: Final answer
    x = 111,802.10

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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.