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Finding the Fourth Proportional to 93,618.39, 129,161.84 and 53,303.64

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Solution

The fourth proportional to 93,618.39, 129,161.84 and 53,303.64 is: 73,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,618.39 : 129,161.84 = 53,303.64 : x
  2. Step 2: Convert to fraction form
    93,618.39/129,161.84 = 53,303.64/x
  3. Step 3: Cross multiply
    93,618.39x = 129,161.84 × 53,303.64
  4. Step 4: Simplify right side
    93,618.39x = 6,884,795,954.58
  5. Step 5: Solve for x
    x = 6,884,795,954.58/93,618.39
  6. Step 6: Final answer
    x = 73,541.06

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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.