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Finding the Fourth Proportional to 93,803.58, 129,461.45 and 55,560.11

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Solution

The fourth proportional to 93,803.58, 129,461.45 and 55,560.11 is: 76,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,803.58 : 129,461.45 = 55,560.11 : x
  2. Step 2: Convert to fraction form
    93,803.58/129,461.45 = 55,560.11/x
  3. Step 3: Cross multiply
    93,803.58x = 129,461.45 × 55,560.11
  4. Step 4: Simplify right side
    93,803.58x = 7,192,891,477.65
  5. Step 5: Solve for x
    x = 7,192,891,477.65/93,803.58
  6. Step 6: Final answer
    x = 76,680.35

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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.