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Finding the Fourth Proportional to 93,312,207.80, 139,968,311.70 and 59,048,041.40

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Solution

The fourth proportional to 93,312,207.80, 139,968,311.70 and 59,048,041.40 is: 88,572,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,207.80 : 139,968,311.70 = 59,048,041.40 : x
  2. Step 2: Convert to fraction form
    93,312,207.80/139,968,311.70 = 59,048,041.40/x
  3. Step 3: Cross multiply
    93,312,207.80x = 139,968,311.70 × 59,048,041.40
  4. Step 4: Simplify right side
    93,312,207.80x = 8,264,854,663,949,703
  5. Step 5: Solve for x
    x = 8,264,854,663,949,703/93,312,207.80
  6. Step 6: Final answer
    x = 88,572,062.10

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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.