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Finding the Fourth Proportional to 98,307.84, 147,663.36 and 93,528.72

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Solution

The fourth proportional to 98,307.84, 147,663.36 and 93,528.72 is: 140,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,307.84 : 147,663.36 = 93,528.72 : x
  2. Step 2: Convert to fraction form
    98,307.84/147,663.36 = 93,528.72/x
  3. Step 3: Cross multiply
    98,307.84x = 147,663.36 × 93,528.72
  4. Step 4: Simplify right side
    98,307.84x = 13,810,765,051.70
  5. Step 5: Solve for x
    x = 13,810,765,051.70/98,307.84
  6. Step 6: Final answer
    x = 140,484.88

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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.