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Finding the Fourth Proportional to 93,509.45, 129,085.50 and 59,564.46

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Solution

The fourth proportional to 93,509.45, 129,085.50 and 59,564.46 is: 82,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,509.45 : 129,085.50 = 59,564.46 : x
  2. Step 2: Convert to fraction form
    93,509.45/129,085.50 = 59,564.46/x
  3. Step 3: Cross multiply
    93,509.45x = 129,085.50 × 59,564.46
  4. Step 4: Simplify right side
    93,509.45x = 7,688,908,101.33
  5. Step 5: Solve for x
    x = 7,688,908,101.33/93,509.45
  6. Step 6: Final answer
    x = 82,226.01

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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.