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Finding the Fourth Proportional to 93,507.66, 129,025.50 and 53,222.11

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Solution

The fourth proportional to 93,507.66, 129,025.50 and 53,222.11 is: 73,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,507.66 : 129,025.50 = 53,222.11 : x
  2. Step 2: Convert to fraction form
    93,507.66/129,025.50 = 53,222.11/x
  3. Step 3: Cross multiply
    93,507.66x = 129,025.50 × 53,222.11
  4. Step 4: Simplify right side
    93,507.66x = 6,867,009,353.81
  5. Step 5: Solve for x
    x = 6,867,009,353.81/93,507.66
  6. Step 6: Final answer
    x = 73,437.93

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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.