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Finding the Fourth Proportional to 98,937.60, 148,420.80 and 32,361.60

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Solution

The fourth proportional to 98,937.60, 148,420.80 and 32,361.60 is: 48,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,937.60 : 148,420.80 = 32,361.60 : x
  2. Step 2: Convert to fraction form
    98,937.60/148,420.80 = 32,361.60/x
  3. Step 3: Cross multiply
    98,937.60x = 148,420.80 × 32,361.60
  4. Step 4: Simplify right side
    98,937.60x = 4,803,134,561.28
  5. Step 5: Solve for x
    x = 4,803,134,561.28/98,937.60
  6. Step 6: Final answer
    x = 48,547.11

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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.