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Finding the Fourth Proportional to 98,969, 148,533.15 and 56,300.63

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Solution

The fourth proportional to 98,969, 148,533.15 and 56,300.63 is: 84,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,969 : 148,533.15 = 56,300.63 : x
  2. Step 2: Convert to fraction form
    98,969/148,533.15 = 56,300.63/x
  3. Step 3: Cross multiply
    98,969x = 148,533.15 × 56,300.63
  4. Step 4: Simplify right side
    98,969x = 8,362,509,920.88
  5. Step 5: Solve for x
    x = 8,362,509,920.88/98,969
  6. Step 6: Final answer
    x = 84,496.26

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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.