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Finding the Fourth Proportional to 84,412.92, 116,495.64 and 48,612.36

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Solution

The fourth proportional to 84,412.92, 116,495.64 and 48,612.36 is: 67,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,412.92 : 116,495.64 = 48,612.36 : x
  2. Step 2: Convert to fraction form
    84,412.92/116,495.64 = 48,612.36/x
  3. Step 3: Cross multiply
    84,412.92x = 116,495.64 × 48,612.36
  4. Step 4: Simplify right side
    84,412.92x = 5,663,127,990.11
  5. Step 5: Solve for x
    x = 5,663,127,990.11/84,412.92
  6. Step 6: Final answer
    x = 67,088.40

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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.