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Finding the Fourth Proportional to 93,802.55, 129,448.34 and 55,564.27

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Solution

The fourth proportional to 93,802.55, 129,448.34 and 55,564.27 is: 76,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,802.55 : 129,448.34 = 55,564.27 : x
  2. Step 2: Convert to fraction form
    93,802.55/129,448.34 = 55,564.27/x
  3. Step 3: Cross multiply
    93,802.55x = 129,448.34 × 55,564.27
  4. Step 4: Simplify right side
    93,802.55x = 7,192,701,913.37
  5. Step 5: Solve for x
    x = 7,192,701,913.37/93,802.55
  6. Step 6: Final answer
    x = 76,679.18

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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.