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Finding the Fourth Proportional to 93,119.48, 128,415.54 and 62,561.61

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Solution

The fourth proportional to 93,119.48, 128,415.54 and 62,561.61 is: 86,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,119.48 : 128,415.54 = 62,561.61 : x
  2. Step 2: Convert to fraction form
    93,119.48/128,415.54 = 62,561.61/x
  3. Step 3: Cross multiply
    93,119.48x = 128,415.54 × 62,561.61
  4. Step 4: Simplify right side
    93,119.48x = 8,033,882,931.42
  5. Step 5: Solve for x
    x = 8,033,882,931.42/93,119.48
  6. Step 6: Final answer
    x = 86,275.00

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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.