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Finding the Fourth Proportional to 93,248.81, 128,683.64 and 52,962.90

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Solution

The fourth proportional to 93,248.81, 128,683.64 and 52,962.90 is: 73,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,248.81 : 128,683.64 = 52,962.90 : x
  2. Step 2: Convert to fraction form
    93,248.81/128,683.64 = 52,962.90/x
  3. Step 3: Cross multiply
    93,248.81x = 128,683.64 × 52,962.90
  4. Step 4: Simplify right side
    93,248.81x = 6,815,458,492.14
  5. Step 5: Solve for x
    x = 6,815,458,492.14/93,248.81
  6. Step 6: Final answer
    x = 73,088.96

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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.