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Finding the Fourth Proportional to 70,111.34, 105,079.50 and 35,061.02

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Solution

The fourth proportional to 70,111.34, 105,079.50 and 35,061.02 is: 52,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,111.34 : 105,079.50 = 35,061.02 : x
  2. Step 2: Convert to fraction form
    70,111.34/105,079.50 = 35,061.02/x
  3. Step 3: Cross multiply
    70,111.34x = 105,079.50 × 35,061.02
  4. Step 4: Simplify right side
    70,111.34x = 3,684,193,925.69
  5. Step 5: Solve for x
    x = 3,684,193,925.69/70,111.34
  6. Step 6: Final answer
    x = 52,547.76

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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.