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Finding the Fourth Proportional to 94,798.71, 130,821.35 and 52,357.77

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Solution

The fourth proportional to 94,798.71, 130,821.35 and 52,357.77 is: 72,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,798.71 : 130,821.35 = 52,357.77 : x
  2. Step 2: Convert to fraction form
    94,798.71/130,821.35 = 52,357.77/x
  3. Step 3: Cross multiply
    94,798.71x = 130,821.35 × 52,357.77
  4. Step 4: Simplify right side
    94,798.71x = 6,849,513,892.60
  5. Step 5: Solve for x
    x = 6,849,513,892.60/94,798.71
  6. Step 6: Final answer
    x = 72,253.24

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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.