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Finding the Fourth Proportional to 93,343.13, 128,823.23 and 57,532.22

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Solution

The fourth proportional to 93,343.13, 128,823.23 and 57,532.22 is: 79,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,343.13 : 128,823.23 = 57,532.22 : x
  2. Step 2: Convert to fraction form
    93,343.13/128,823.23 = 57,532.22/x
  3. Step 3: Cross multiply
    93,343.13x = 128,823.23 × 57,532.22
  4. Step 4: Simplify right side
    93,343.13x = 7,411,485,909.18
  5. Step 5: Solve for x
    x = 7,411,485,909.18/93,343.13
  6. Step 6: Final answer
    x = 79,400.45

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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.