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Finding the Fourth Proportional to 93,358.03, 128,811.96 and 53,068.63

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Solution

The fourth proportional to 93,358.03, 128,811.96 and 53,068.63 is: 73,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,358.03 : 128,811.96 = 53,068.63 : x
  2. Step 2: Convert to fraction form
    93,358.03/128,811.96 = 53,068.63/x
  3. Step 3: Cross multiply
    93,358.03x = 128,811.96 × 53,068.63
  4. Step 4: Simplify right side
    93,358.03x = 6,835,874,244.81
  5. Step 5: Solve for x
    x = 6,835,874,244.81/93,358.03
  6. Step 6: Final answer
    x = 73,222.13

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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.