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Finding the Fourth Proportional to 114,358.01, 157,892.81 and 87,453.65

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Solution

The fourth proportional to 114,358.01, 157,892.81 and 87,453.65 is: 120,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,358.01 : 157,892.81 = 87,453.65 : x
  2. Step 2: Convert to fraction form
    114,358.01/157,892.81 = 87,453.65/x
  3. Step 3: Cross multiply
    114,358.01x = 157,892.81 × 87,453.65
  4. Step 4: Simplify right side
    114,358.01x = 13,808,301,316.52
  5. Step 5: Solve for x
    x = 13,808,301,316.52/114,358.01
  6. Step 6: Final answer
    x = 120,746.26

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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.