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Finding the Fourth Proportional to 93,289.32, 128,713.70 and 59,237.16

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Solution

The fourth proportional to 93,289.32, 128,713.70 and 59,237.16 is: 81,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,289.32 : 128,713.70 = 59,237.16 : x
  2. Step 2: Convert to fraction form
    93,289.32/128,713.70 = 59,237.16/x
  3. Step 3: Cross multiply
    93,289.32x = 128,713.70 × 59,237.16
  4. Step 4: Simplify right side
    93,289.32x = 7,624,634,041.09
  5. Step 5: Solve for x
    x = 7,624,634,041.09/93,289.32
  6. Step 6: Final answer
    x = 81,731.05

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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.