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Finding the Fourth Proportional to 93,368.58, 139,816.32 and 57,899.16

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Solution

The fourth proportional to 93,368.58, 139,816.32 and 57,899.16 is: 86,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,368.58 : 139,816.32 = 57,899.16 : x
  2. Step 2: Convert to fraction form
    93,368.58/139,816.32 = 57,899.16/x
  3. Step 3: Cross multiply
    93,368.58x = 139,816.32 × 57,899.16
  4. Step 4: Simplify right side
    93,368.58x = 8,095,247,482.29
  5. Step 5: Solve for x
    x = 8,095,247,482.29/93,368.58
  6. Step 6: Final answer
    x = 86,702.05

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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.