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Finding the Fourth Proportional to 153,678.67, 230,462.62 and 64,939.10

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Solution

The fourth proportional to 153,678.67, 230,462.62 and 64,939.10 is: 97,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,678.67 : 230,462.62 = 64,939.10 : x
  2. Step 2: Convert to fraction form
    153,678.67/230,462.62 = 64,939.10/x
  3. Step 3: Cross multiply
    153,678.67x = 230,462.62 × 64,939.10
  4. Step 4: Simplify right side
    153,678.67x = 14,966,033,811.78
  5. Step 5: Solve for x
    x = 14,966,033,811.78/153,678.67
  6. Step 6: Final answer
    x = 97,385.24

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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.