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Finding the Fourth Proportional to 93,359.03, 128,813.34 and 53,069.63

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Solution

The fourth proportional to 93,359.03, 128,813.34 and 53,069.63 is: 73,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,359.03 : 128,813.34 = 53,069.63 : x
  2. Step 2: Convert to fraction form
    93,359.03/128,813.34 = 53,069.63/x
  3. Step 3: Cross multiply
    93,359.03x = 128,813.34 × 53,069.63
  4. Step 4: Simplify right side
    93,359.03x = 6,836,076,292.86
  5. Step 5: Solve for x
    x = 6,836,076,292.86/93,359.03
  6. Step 6: Final answer
    x = 73,223.51

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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.