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Finding the Fourth Proportional to 93,759.60, 129,384.93 and 53,486.25

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Solution

The fourth proportional to 93,759.60, 129,384.93 and 53,486.25 is: 73,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,759.60 : 129,384.93 = 53,486.25 : x
  2. Step 2: Convert to fraction form
    93,759.60/129,384.93 = 53,486.25/x
  3. Step 3: Cross multiply
    93,759.60x = 129,384.93 × 53,486.25
  4. Step 4: Simplify right side
    93,759.60x = 6,920,314,712.21
  5. Step 5: Solve for x
    x = 6,920,314,712.21/93,759.60
  6. Step 6: Final answer
    x = 73,809.13

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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.