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Finding the Fourth Proportional to 99,113.75, 136,714.76 and 58,798.97

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Solution

The fourth proportional to 99,113.75, 136,714.76 and 58,798.97 is: 81,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,113.75 : 136,714.76 = 58,798.97 : x
  2. Step 2: Convert to fraction form
    99,113.75/136,714.76 = 58,798.97/x
  3. Step 3: Cross multiply
    99,113.75x = 136,714.76 × 58,798.97
  4. Step 4: Simplify right side
    99,113.75x = 8,038,686,827.41
  5. Step 5: Solve for x
    x = 8,038,686,827.41/99,113.75
  6. Step 6: Final answer
    x = 81,105.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.