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Finding the Fourth Proportional to 153,173.34, 229,776.48 and 64,435.86

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Solution

The fourth proportional to 153,173.34, 229,776.48 and 64,435.86 is: 96,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,173.34 : 229,776.48 = 64,435.86 : x
  2. Step 2: Convert to fraction form
    153,173.34/229,776.48 = 64,435.86/x
  3. Step 3: Cross multiply
    153,173.34x = 229,776.48 × 64,435.86
  4. Step 4: Simplify right side
    153,173.34x = 14,805,845,096.57
  5. Step 5: Solve for x
    x = 14,805,845,096.57/153,173.34
  6. Step 6: Final answer
    x = 96,660.72

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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.