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Finding the Fourth Proportional to 93,118.61, 128,506.59 and 52,834.07

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Solution

The fourth proportional to 93,118.61, 128,506.59 and 52,834.07 is: 72,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,118.61 : 128,506.59 = 52,834.07 : x
  2. Step 2: Convert to fraction form
    93,118.61/128,506.59 = 52,834.07/x
  3. Step 3: Cross multiply
    93,118.61x = 128,506.59 × 52,834.07
  4. Step 4: Simplify right side
    93,118.61x = 6,789,525,528.99
  5. Step 5: Solve for x
    x = 6,789,525,528.99/93,118.61
  6. Step 6: Final answer
    x = 72,912.66

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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.