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Finding the Fourth Proportional to 70,303.72, 97,064.40 and 62,737.04

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Solution

The fourth proportional to 70,303.72, 97,064.40 and 62,737.04 is: 86,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,303.72 : 97,064.40 = 62,737.04 : x
  2. Step 2: Convert to fraction form
    70,303.72/97,064.40 = 62,737.04/x
  3. Step 3: Cross multiply
    70,303.72x = 97,064.40 × 62,737.04
  4. Step 4: Simplify right side
    70,303.72x = 6,089,533,145.38
  5. Step 5: Solve for x
    x = 6,089,533,145.38/70,303.72
  6. Step 6: Final answer
    x = 86,617.51

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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.