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Finding the Fourth Proportional to 78,444.96, 108,269.80 and 46,607.74

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Solution

The fourth proportional to 78,444.96, 108,269.80 and 46,607.74 is: 64,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,444.96 : 108,269.80 = 46,607.74 : x
  2. Step 2: Convert to fraction form
    78,444.96/108,269.80 = 46,607.74/x
  3. Step 3: Cross multiply
    78,444.96x = 108,269.80 × 46,607.74
  4. Step 4: Simplify right side
    78,444.96x = 5,046,210,688.25
  5. Step 5: Solve for x
    x = 5,046,210,688.25/78,444.96
  6. Step 6: Final answer
    x = 64,328.04

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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.