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Finding the Fourth Proportional to 121,798.56, 182,587.12 and 46,870.92

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Solution

The fourth proportional to 121,798.56, 182,587.12 and 46,870.92 is: 70,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,798.56 : 182,587.12 = 46,870.92 : x
  2. Step 2: Convert to fraction form
    121,798.56/182,587.12 = 46,870.92/x
  3. Step 3: Cross multiply
    121,798.56x = 182,587.12 × 46,870.92
  4. Step 4: Simplify right side
    121,798.56x = 8,558,026,294.55
  5. Step 5: Solve for x
    x = 8,558,026,294.55/121,798.56
  6. Step 6: Final answer
    x = 70,263.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.