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Finding the Fourth Proportional to 93,901.86, 129,587.90 and 51,460.40

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Solution

The fourth proportional to 93,901.86, 129,587.90 and 51,460.40 is: 71,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,901.86 : 129,587.90 = 51,460.40 : x
  2. Step 2: Convert to fraction form
    93,901.86/129,587.90 = 51,460.40/x
  3. Step 3: Cross multiply
    93,901.86x = 129,587.90 × 51,460.40
  4. Step 4: Simplify right side
    93,901.86x = 6,668,644,263.92
  5. Step 5: Solve for x
    x = 6,668,644,263.92/93,901.86
  6. Step 6: Final answer
    x = 71,017.17

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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.