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Finding the Fourth Proportional to 93,030.46, 128,392.87 and 52,205.84

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Solution

The fourth proportional to 93,030.46, 128,392.87 and 52,205.84 is: 72,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030.46 : 128,392.87 = 52,205.84 : x
  2. Step 2: Convert to fraction form
    93,030.46/128,392.87 = 52,205.84/x
  3. Step 3: Cross multiply
    93,030.46x = 128,392.87 × 52,205.84
  4. Step 4: Simplify right side
    93,030.46x = 6,702,857,628.36
  5. Step 5: Solve for x
    x = 6,702,857,628.36/93,030.46
  6. Step 6: Final answer
    x = 72,050.14

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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.