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Finding the Fourth Proportional to 98,883.36, 148,316.40 and 36,554.40

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Solution

The fourth proportional to 98,883.36, 148,316.40 and 36,554.40 is: 54,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,883.36 : 148,316.40 = 36,554.40 : x
  2. Step 2: Convert to fraction form
    98,883.36/148,316.40 = 36,554.40/x
  3. Step 3: Cross multiply
    98,883.36x = 148,316.40 × 36,554.40
  4. Step 4: Simplify right side
    98,883.36x = 5,421,617,012.16
  5. Step 5: Solve for x
    x = 5,421,617,012.16/98,883.36
  6. Step 6: Final answer
    x = 54,828.41

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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.