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Finding the Fourth Proportional to 76,096.16, 105,054.93 and 45,889.13

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Solution

The fourth proportional to 76,096.16, 105,054.93 and 45,889.13 is: 63,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,096.16 : 105,054.93 = 45,889.13 : x
  2. Step 2: Convert to fraction form
    76,096.16/105,054.93 = 45,889.13/x
  3. Step 3: Cross multiply
    76,096.16x = 105,054.93 × 45,889.13
  4. Step 4: Simplify right side
    76,096.16x = 4,820,878,585.19
  5. Step 5: Solve for x
    x = 4,820,878,585.19/76,096.16
  6. Step 6: Final answer
    x = 63,352.46

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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.