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Finding the Fourth Proportional to 109,783.68, 151,501.44 and 59,482.68

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Solution

The fourth proportional to 109,783.68, 151,501.44 and 59,482.68 is: 82,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,783.68 : 151,501.44 = 59,482.68 : x
  2. Step 2: Convert to fraction form
    109,783.68/151,501.44 = 59,482.68/x
  3. Step 3: Cross multiply
    109,783.68x = 151,501.44 × 59,482.68
  4. Step 4: Simplify right side
    109,783.68x = 9,011,711,675.06
  5. Step 5: Solve for x
    x = 9,011,711,675.06/109,783.68
  6. Step 6: Final answer
    x = 82,086.08

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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.