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Finding the Fourth Proportional to 93,537.64, 128,915.04 and 70,822.24

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Solution

The fourth proportional to 93,537.64, 128,915.04 and 70,822.24 is: 97,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,537.64 : 128,915.04 = 70,822.24 : x
  2. Step 2: Convert to fraction form
    93,537.64/128,915.04 = 70,822.24/x
  3. Step 3: Cross multiply
    93,537.64x = 128,915.04 × 70,822.24
  4. Step 4: Simplify right side
    93,537.64x = 9,130,051,902.49
  5. Step 5: Solve for x
    x = 9,130,051,902.49/93,537.64
  6. Step 6: Final answer
    x = 97,608.32

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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.