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Finding the Fourth Proportional to 145,776.60, 218,751.30 and 95,999.40

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Solution

The fourth proportional to 145,776.60, 218,751.30 and 95,999.40 is: 144,056.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,776.60 : 218,751.30 = 95,999.40 : x
  2. Step 2: Convert to fraction form
    145,776.60/218,751.30 = 95,999.40/x
  3. Step 3: Cross multiply
    145,776.60x = 218,751.30 × 95,999.40
  4. Step 4: Simplify right side
    145,776.60x = 20,999,993,549.22
  5. Step 5: Solve for x
    x = 20,999,993,549.22/145,776.60
  6. Step 6: Final answer
    x = 144,056.00

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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.